X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7b519e5e0c8f099d8ab7e987266cd10eb1726a4c..5429cf245532d124c1309ea956a2845eed195485:/src/generic/grid.cpp?ds=sidebyside

diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index 753fcf01b7..3a3ba4e0ba 100644
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "grid.h"
-#endif
-
 // For compilers that support precompilatixon, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
@@ -41,11 +37,14 @@
     #include "wx/checkbox.h"
     #include "wx/combobox.h"
     #include "wx/valtext.h"
+    #include "wx/intl.h"
+    #include "wx/math.h"
 #endif
 
 #include "wx/textfile.h"
 #include "wx/spinctrl.h"
 #include "wx/tokenzr.h"
+#include "wx/renderer.h"
 
 #include "wx/grid.h"
 #include "wx/generic/gridsel.h"
@@ -108,6 +107,7 @@ DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_DCLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_BEGIN_DRAG)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
@@ -140,6 +140,7 @@ private:
     void OnMouseWheel( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
 
     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
     DECLARE_EVENT_TABLE()
@@ -162,6 +163,7 @@ private:
     void OnMouseWheel( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
 
     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
     DECLARE_EVENT_TABLE()
@@ -183,6 +185,7 @@ private:
     void OnMouseWheel( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
     void OnPaint( wxPaintEvent& event );
 
     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
@@ -204,7 +207,7 @@ public:
                   wxGridRowLabelWindow *rowLblWin,
                   wxGridColLabelWindow *colLblWin,
                   wxWindowID id, const wxPoint &pos, const wxSize &size );
-    ~wxGridWindow();
+    ~wxGridWindow() {}
 
     void ScrollWindow( int dx, int dy, const wxRect *rect );
 
@@ -220,6 +223,7 @@ private:
     void OnMouseEvent( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
     void OnEraseBackground( wxEraseEvent& );
     void OnFocus( wxFocusEvent& );
 
@@ -229,31 +233,40 @@ private:
 };
 
 
-
 class wxGridCellEditorEvtHandler : public wxEvtHandler
 {
 public:
-    wxGridCellEditorEvtHandler()
-        : m_grid(0), m_editor(0)
-        { }
     wxGridCellEditorEvtHandler(wxGrid* grid, wxGridCellEditor* editor)
-        : m_grid(grid), m_editor(editor)
-        { }
+        : m_grid(grid),
+          m_editor(editor),
+          m_inSetFocus(false)
+    {
+    }
 
+    void OnKillFocus(wxFocusEvent& event);
     void OnKeyDown(wxKeyEvent& event);
     void OnChar(wxKeyEvent& event);
 
+    void SetInSetFocus(bool inSetFocus) { m_inSetFocus = inSetFocus; }
+
 private:
     wxGrid*             m_grid;
     wxGridCellEditor*   m_editor;
-    DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
+
+    // Work around the fact that a focus kill event can be sent to
+    // a combobox within a set focus event.
+    bool                m_inSetFocus;
+
     DECLARE_EVENT_TABLE()
+    DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
     DECLARE_NO_COPY_CLASS(wxGridCellEditorEvtHandler)
 };
 
 
-IMPLEMENT_DYNAMIC_CLASS( wxGridCellEditorEvtHandler, wxEvtHandler )
+IMPLEMENT_ABSTRACT_CLASS(wxGridCellEditorEvtHandler, wxEvtHandler)
+
 BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
+    EVT_KILL_FOCUS( wxGridCellEditorEvtHandler::OnKillFocus )
     EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
     EVT_CHAR( wxGridCellEditorEvtHandler::OnChar )
 END_EVENT_TABLE()
@@ -411,6 +424,7 @@ static const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X;
 // in these hash tables is the number of rows/columns)
 static const int GRID_HASH_SIZE = 100;
 
+#if 0
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -424,6 +438,7 @@ static inline int GetScrollY(int y)
 {
     return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y;
 }
+#endif
 
 // ============================================================================
 // implementation
@@ -474,7 +489,7 @@ void wxGridCellEditor::Destroy()
 {
     if (m_control)
     {
-        m_control->PopEventHandler(TRUE /* delete it*/);
+        m_control->PopEventHandler(true /* delete it*/);
 
         m_control->Destroy();
         m_control = NULL;
@@ -498,9 +513,11 @@ void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
             m_colBgOld = m_control->GetBackgroundColour();
             m_control->SetBackgroundColour(attr->GetBackgroundColour());
 
+// Workaround for GTK+1 font setting problem on some platforms
+#if !defined(__WXGTK__) || defined(__WXGTK20__)
             m_fontOld = m_control->GetFont();
             m_control->SetFont(attr->GetFont());
-
+#endif
             // can't do anything more in the base class version, the other
             // attributes may only be used by the derived classes
         }
@@ -519,12 +536,14 @@ void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
             m_control->SetBackgroundColour(m_colBgOld);
             m_colBgOld = wxNullColour;
         }
-
+// Workaround for GTK+1 font setting problem on some platforms
+#if !defined(__WXGTK__) || defined(__WXGTK20__)
         if ( m_fontOld.Ok() )
         {
             m_control->SetFont(m_fontOld);
             m_fontOld = wxNullFont;
         }
+#endif
     }
 }
 
@@ -542,8 +561,40 @@ void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
 
 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
 {
-    // accept the simple key presses, not anything with Ctrl/Alt/Meta
-    return !(event.ControlDown() || event.AltDown());
+    bool ctrl = event.ControlDown();
+    bool alt  = event.AltDown();
+#ifdef __WXMAC__
+    // On the Mac the Alt key is more like shift and is used for entry of
+    // valid characters, so check for Ctrl and Meta instead.
+    alt = event.MetaDown();
+#endif
+
+    // Assume it's not a valid char if ctrl or alt is down, but if both are
+    // down then it may be because of an AltGr key combination, so let them
+    // through in that case.
+    if ((ctrl || alt) && !(ctrl && alt))
+        return false;
+
+#if wxUSE_UNICODE
+    int key = event.GetUnicodeKey();
+    bool keyOk = true;
+
+    // if the unicode key code is not really a unicode character (it may
+    // be a function key or etc., the platforms appear to always give us a
+    // small value in this case) then fallback to the ascii key code but
+    // don't do anything for function keys or etc.
+    if (key <= 127)
+    {
+        key = event.GetKeyCode();
+        keyOk = (key <= 127);
+    }
+    return keyOk;
+#else // !wxUSE_UNICODE
+    int key = event.GetKeyCode();
+    if (key <= 255)
+        return true;
+    return false;
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 }
 
 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
@@ -659,10 +710,10 @@ bool wxGridCellTextEditor::EndEdit(int row, int col,
     wxASSERT_MSG(m_control,
                  wxT("The wxGridCellEditor must be Created first!"));
 
-    bool changed = FALSE;
+    bool changed = false;
     wxString value = Text()->GetValue();
     if (value != m_startValue)
-        changed = TRUE;
+        changed = true;
 
     if (changed)
         grid->GetTable()->SetValue(row, col, value);
@@ -691,48 +742,46 @@ void wxGridCellTextEditor::DoReset(const wxString& startValue)
 
 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
 {
-    if ( wxGridCellEditor::IsAcceptedKey(event) )
-    {
-        int keycode = event.GetKeyCode();
-        switch ( keycode )
-        {
-            case WXK_NUMPAD0:
-            case WXK_NUMPAD1:
-            case WXK_NUMPAD2:
-            case WXK_NUMPAD3:
-            case WXK_NUMPAD4:
-            case WXK_NUMPAD5:
-            case WXK_NUMPAD6:
-            case WXK_NUMPAD7:
-            case WXK_NUMPAD8:
-            case WXK_NUMPAD9:
-            case WXK_MULTIPLY:
-            case WXK_NUMPAD_MULTIPLY:
-            case WXK_ADD:
-            case WXK_NUMPAD_ADD:
-            case WXK_SUBTRACT:
-            case WXK_NUMPAD_SUBTRACT:
-            case WXK_DECIMAL:
-            case WXK_NUMPAD_DECIMAL:
-            case WXK_DIVIDE:
-            case WXK_NUMPAD_DIVIDE:
-                return TRUE;
-
-            default:
-                // accept 8 bit chars too if isprint() agrees
-                if ( (keycode < 255) && (wxIsprint(keycode)) )
-                    return TRUE;
-        }
-    }
-
-    return FALSE;
+    return wxGridCellEditor::IsAcceptedKey(event);
 }
 
 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 {
-    if ( !Text()->EmulateKeyPress(event) )
+    // Since this is now happening in the EVT_CHAR event EmulateKeyPress is no
+    // longer an appropriate way to get the character into the text control.
+    // Do it ourselves instead.  We know that if we get this far that we have
+    // a valid character, so not a whole lot of testing needs to be done.
+
+    wxTextCtrl* tc = Text();
+    wxChar ch;
+    long pos;
+
+#if wxUSE_UNICODE
+    ch = event.GetUnicodeKey();
+    if (ch <= 127)
+        ch = (wxChar)event.GetKeyCode();
+#else
+    ch = (wxChar)event.GetKeyCode();
+#endif
+    switch (ch)
     {
-        event.Skip();
+        case WXK_DELETE:
+            // delete the character at the cursor
+            pos = tc->GetInsertionPoint();
+            if (pos < tc->GetLastPosition())
+                tc->Remove(pos, pos+1);
+            break;
+
+        case WXK_BACK:
+            // delete the character before the cursor
+            pos = tc->GetInsertionPoint();
+            if (pos > 0)
+                tc->Remove(pos-1, pos);
+            break;
+
+        default:
+            tc->WriteText(ch);
+            break;
     }
 }
 
@@ -794,10 +843,11 @@ void wxGridCellNumberEditor::Create(wxWindow* parent,
                                     wxWindowID id,
                                     wxEvtHandler* evtHandler)
 {
+#if wxUSE_SPINCTRL
     if ( HasRange() )
     {
         // create a spin ctrl
-        m_control = new wxSpinCtrl(parent, -1, wxEmptyString,
+        m_control = new wxSpinCtrl(parent, wxID_ANY, wxEmptyString,
                                    wxDefaultPosition, wxDefaultSize,
                                    wxSP_ARROW_KEYS,
                                    m_min, m_max);
@@ -805,6 +855,7 @@ void wxGridCellNumberEditor::Create(wxWindow* parent,
         wxGridCellEditor::Create(parent, id, evtHandler);
     }
     else
+#endif
     {
         // just a text control
         wxGridCellTextEditor::Create(parent, id, evtHandler);
@@ -827,19 +878,21 @@ void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
     {
         m_valueOld = 0;
         wxString sValue = table->GetValue(row, col);
-        if (! sValue.ToLong(&m_valueOld) && ! sValue.IsEmpty())
+        if (! sValue.ToLong(&m_valueOld) && ! sValue.empty())
         {
             wxFAIL_MSG( _T("this cell doesn't have numeric value") );
             return;
         }
     }
 
+#if wxUSE_SPINCTRL
     if ( HasRange() )
     {
         Spin()->SetValue((int)m_valueOld);
         Spin()->SetFocus();
     }
     else
+#endif
     {
         DoBeginEdit(GetString());
     }
@@ -852,6 +905,7 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
     long value = 0;
     wxString text;
 
+#if wxUSE_SPINCTRL
     if ( HasRange() )
     {
         value = Spin()->GetValue();
@@ -860,9 +914,10 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
             text = wxString::Format(wxT("%ld"), value);
     }
     else
+#endif
     {
         text = Text()->GetValue();
-        changed = (text.IsEmpty() || text.ToLong(&value)) && (value != m_valueOld);
+        changed = (text.empty() || text.ToLong(&value)) && (value != m_valueOld);
     }
 
     if ( changed )
@@ -878,11 +933,13 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
 
 void wxGridCellNumberEditor::Reset()
 {
+#if wxUSE_SPINCTRL
     if ( HasRange() )
     {
         Spin()->SetValue((int)m_valueOld);
     }
     else
+#endif
     {
         DoReset(GetString());
     }
@@ -893,55 +950,22 @@ bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
     if ( wxGridCellEditor::IsAcceptedKey(event) )
     {
         int keycode = event.GetKeyCode();
-        switch ( keycode )
+        if ( (keycode < 128) &&
+             (wxIsdigit(keycode) || keycode == '+' || keycode == '-'))
         {
-            case WXK_NUMPAD0:
-            case WXK_NUMPAD1:
-            case WXK_NUMPAD2:
-            case WXK_NUMPAD3:
-            case WXK_NUMPAD4:
-            case WXK_NUMPAD5:
-            case WXK_NUMPAD6:
-            case WXK_NUMPAD7:
-            case WXK_NUMPAD8:
-            case WXK_NUMPAD9:
-            case WXK_ADD:
-            case WXK_NUMPAD_ADD:
-            case WXK_SUBTRACT:
-            case WXK_NUMPAD_SUBTRACT:
-            case WXK_UP:
-            case WXK_DOWN:
-                return TRUE;
-
-            default:
-                if ( (keycode < 128) && wxIsdigit(keycode) )
-                    return TRUE;
+            return true;
         }
     }
 
-    return FALSE;
+    return false;
 }
 
 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 {
+    int keycode = event.GetKeyCode();
     if ( !HasRange() )
     {
-        int keycode = event.GetKeyCode();
-        if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-'
-            || keycode ==  WXK_NUMPAD0
-            || keycode ==  WXK_NUMPAD1
-            || keycode ==  WXK_NUMPAD2
-            || keycode ==  WXK_NUMPAD3
-            || keycode ==  WXK_NUMPAD4
-            || keycode ==  WXK_NUMPAD5
-            || keycode ==  WXK_NUMPAD6
-            || keycode ==  WXK_NUMPAD7
-            || keycode ==  WXK_NUMPAD8
-            || keycode ==  WXK_NUMPAD9
-            || keycode ==  WXK_ADD
-            || keycode ==  WXK_NUMPAD_ADD
-            || keycode ==  WXK_SUBTRACT
-            || keycode ==  WXK_NUMPAD_SUBTRACT)
+        if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-')
         {
             wxGridCellTextEditor::StartingKey(event);
 
@@ -949,7 +973,18 @@ void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
             return;
         }
     }
-
+#if wxUSE_SPINCTRL
+    else
+    {
+        if ( wxIsdigit(keycode) )
+        {
+            wxSpinCtrl* spin = (wxSpinCtrl*)m_control;
+            spin->SetValue(keycode - '0');
+            spin->SetSelection(1,1);
+            return;
+        }
+    }
+#endif
     event.Skip();
 }
 
@@ -984,18 +1019,21 @@ void wxGridCellNumberEditor::SetParameters(const wxString& params)
 // return the value in the spin control if it is there (the text control otherwise)
 wxString wxGridCellNumberEditor::GetValue() const
 {
-  wxString s;
+    wxString s;
 
-  if( HasRange() )
-  {
-    long value = Spin()->GetValue();
-    s.Printf(wxT("%ld"), value);
-  }
-  else
-  {
-    s = Text()->GetValue();
-  }
-  return s;
+#if wxUSE_SPINCTRL
+    if ( HasRange() )
+    {
+        long value = Spin()->GetValue();
+        s.Printf(wxT("%ld"), value);
+    }
+    else
+#endif
+    {
+        s = Text()->GetValue();
+    }
+
+    return s;
 }
 
 // ----------------------------------------------------------------------------
@@ -1031,7 +1069,7 @@ void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
     {
         m_valueOld = 0.0;
         wxString sValue = table->GetValue(row, col);
-        if (! sValue.ToDouble(&m_valueOld) && ! sValue.IsEmpty())
+        if (! sValue.ToDouble(&m_valueOld) && ! sValue.empty())
         {
             wxFAIL_MSG( _T("this cell doesn't have float value") );
             return;
@@ -1047,16 +1085,17 @@ bool wxGridCellFloatEditor::EndEdit(int row, int col,
     double value = 0.0;
     wxString text(Text()->GetValue());
 
-    if ( (text.IsEmpty() || text.ToDouble(&value)) && (value != m_valueOld) )
+    if ( (text.empty() || text.ToDouble(&value)) &&
+            !wxIsSameDouble(value, m_valueOld) )
     {
         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
             grid->GetTable()->SetValueAsDouble(row, col, value);
         else
             grid->GetTable()->SetValue(row, col, text);
 
-        return TRUE;
+        return true;
     }
-    return FALSE;
+    return false;
 }
 
 void wxGridCellFloatEditor::Reset()
@@ -1067,21 +1106,18 @@ void wxGridCellFloatEditor::Reset()
 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
 {
     int keycode = event.GetKeyCode();
-        if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-' || keycode == '.'
-            || keycode ==  WXK_NUMPAD0
-            || keycode ==  WXK_NUMPAD1
-            || keycode ==  WXK_NUMPAD2
-            || keycode ==  WXK_NUMPAD3
-            || keycode ==  WXK_NUMPAD4
-            || keycode ==  WXK_NUMPAD5
-            || keycode ==  WXK_NUMPAD6
-            || keycode ==  WXK_NUMPAD7
-            || keycode ==  WXK_NUMPAD8
-            || keycode ==  WXK_NUMPAD9
-            || keycode ==  WXK_ADD
-            || keycode ==  WXK_NUMPAD_ADD
-            || keycode ==  WXK_SUBTRACT
-            || keycode ==  WXK_NUMPAD_SUBTRACT)
+    char tmpbuf[2];
+    tmpbuf[0] = (char) keycode;
+    tmpbuf[1] = '\0';
+    wxString strbuf(tmpbuf, *wxConvCurrent);
+#if wxUSE_INTL
+    bool is_decimal_point = ( strbuf ==
+       wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER) );
+#else
+    bool is_decimal_point = ( strbuf == _T(".") );
+#endif
+    if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-'
+         || is_decimal_point )
     {
         wxGridCellTextEditor::StartingKey(event);
 
@@ -1123,20 +1159,25 @@ void wxGridCellFloatEditor::SetParameters(const wxString& params)
 wxString wxGridCellFloatEditor::GetString() const
 {
     wxString fmt;
-    if ( m_width == -1 )
-    {
-        // default width/precision
-        fmt = _T("%f");
-    }
-    else if ( m_precision == -1 )
+    if ( m_precision == -1 && m_width != -1)
     {
         // default precision
         fmt.Printf(_T("%%%d.f"), m_width);
     }
-    else
+    else if ( m_precision != -1 && m_width == -1)
+    {
+        // default width
+        fmt.Printf(_T("%%.%df"), m_precision);
+    }
+    else if ( m_precision != -1 && m_width != -1 )
     {
         fmt.Printf(_T("%%%d.%df"), m_width, m_precision);
     }
+    else
+    {
+        // default width/precision
+        fmt = _T("%f");
+    }
 
     return wxString::Format(fmt, m_valueOld);
 }
@@ -1146,35 +1187,26 @@ bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
     if ( wxGridCellEditor::IsAcceptedKey(event) )
     {
         int keycode = event.GetKeyCode();
-        switch ( keycode )
-        {
-            case WXK_NUMPAD0:
-            case WXK_NUMPAD1:
-            case WXK_NUMPAD2:
-            case WXK_NUMPAD3:
-            case WXK_NUMPAD4:
-            case WXK_NUMPAD5:
-            case WXK_NUMPAD6:
-            case WXK_NUMPAD7:
-            case WXK_NUMPAD8:
-            case WXK_NUMPAD9:
-            case WXK_ADD:
-            case WXK_NUMPAD_ADD:
-            case WXK_SUBTRACT:
-            case WXK_NUMPAD_SUBTRACT:
-            case WXK_DECIMAL:
-            case WXK_NUMPAD_DECIMAL:
-                return TRUE;
-
-            default:
-                // additionally accept 'e' as in '1e+6'
-                if ( (keycode < 128) &&
-                     (wxIsdigit(keycode) || tolower(keycode) == 'e') )
-                    return TRUE;
-        }
+        printf("%d\n", keycode);
+        // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
+        char tmpbuf[2];
+        tmpbuf[0] = (char) keycode;
+        tmpbuf[1] = '\0';
+        wxString strbuf(tmpbuf, *wxConvCurrent);
+#if wxUSE_INTL
+        bool is_decimal_point =
+            ( strbuf == wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT,
+                                          wxLOCALE_CAT_NUMBER) );
+#else
+        bool is_decimal_point = ( strbuf == _T(".") );
+#endif
+        if ( (keycode < 128) &&
+             (wxIsdigit(keycode) || tolower(keycode) == 'e' ||
+              is_decimal_point || keycode == '+' || keycode == '-') )
+            return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 #endif // wxUSE_TEXTCTRL
@@ -1198,7 +1230,7 @@ void wxGridCellBoolEditor::Create(wxWindow* parent,
 
 void wxGridCellBoolEditor::SetSize(const wxRect& r)
 {
-    bool resize = FALSE;
+    bool resize = false;
     wxSize size = m_control->GetSize();
     wxCoord minSize = wxMin(r.width, r.height);
 
@@ -1209,7 +1241,7 @@ void wxGridCellBoolEditor::SetSize(const wxRect& r)
         // reset to default size if it had been made smaller
         size = sizeBest;
 
-        resize = TRUE;
+        resize = true;
     }
 
     if ( size.x >= minSize || size.y >= minSize )
@@ -1217,7 +1249,7 @@ void wxGridCellBoolEditor::SetSize(const wxRect& r)
         // leave 1 pixel margin
         size.x = size.y = minSize - 2;
 
-        resize = TRUE;
+        resize = true;
     }
 
     if ( resize )
@@ -1298,10 +1330,10 @@ bool wxGridCellBoolEditor::EndEdit(int row, int col,
     wxASSERT_MSG(m_control,
                  wxT("The wxGridCellEditor must be Created first!"));
 
-    bool changed = FALSE;
+    bool changed = false;
     bool value = CBox()->GetValue();
     if ( value != m_startValue )
-        changed = TRUE;
+        changed = true;
 
     if ( changed )
     {
@@ -1334,22 +1366,36 @@ bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
         int keycode = event.GetKeyCode();
         switch ( keycode )
         {
-            case WXK_MULTIPLY:
-            case WXK_NUMPAD_MULTIPLY:
-            case WXK_ADD:
-            case WXK_NUMPAD_ADD:
-            case WXK_SUBTRACT:
-            case WXK_NUMPAD_SUBTRACT:
             case WXK_SPACE:
             case '+':
             case '-':
-                return TRUE;
+                return true;
         }
     }
 
-    return FALSE;
+    return false;
+}
+
+void wxGridCellBoolEditor::StartingKey(wxKeyEvent& event)
+{
+    int keycode = event.GetKeyCode();
+    switch ( keycode )
+    {
+        case WXK_SPACE:
+            CBox()->SetValue(!CBox()->GetValue());
+            break;
+
+        case '+':
+            CBox()->SetValue(true);
+            break;
+
+        case '-':
+            CBox()->SetValue(false);
+            break;
+    }
 }
 
+
 // return the value as "1" for true and the empty string for false
 wxString wxGridCellBoolEditor::GetValue() const
 {
@@ -1398,20 +1444,11 @@ void wxGridCellChoiceEditor::Create(wxWindow* parent,
                                     wxWindowID id,
                                     wxEvtHandler* evtHandler)
 {
-    size_t count = m_choices.GetCount();
-    wxString *choices = new wxString[count];
-    for ( size_t n = 0; n < count; n++ )
-    {
-        choices[n] = m_choices[n];
-    }
-
     m_control = new wxComboBox(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize,
-                               count, choices,
+                               m_choices,
                                m_allowOthers ? 0 : wxCB_READONLY);
 
-    delete [] choices;
-
     wxGridCellEditor::Create(parent, id, evtHandler);
 }
 
@@ -1432,6 +1469,14 @@ void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
     wxASSERT_MSG(m_control,
                  wxT("The wxGridCellEditor must be Created first!"));
 
+    wxGridCellEditorEvtHandler* evtHandler = NULL;
+    if (m_control)
+        evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
+
+    // Don't immediately end if we get a kill focus event within BeginEdit
+    if (evtHandler)
+        evtHandler->SetInSetFocus(true);
+
     m_startValue = grid->GetTable()->GetValue(row, col);
 
     if (m_allowOthers)
@@ -1440,30 +1485,33 @@ void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
     {
         // find the right position, or default to the first if not found
         int pos = Combo()->FindString(m_startValue);
-        if (pos == -1)
+        if (pos == wxNOT_FOUND)
             pos = 0;
         Combo()->SetSelection(pos);
     }
     Combo()->SetInsertionPointEnd();
     Combo()->SetFocus();
+
+    if (evtHandler)
+    {
+        // When dropping down the menu, a kill focus event
+        // happens after this point, so we can't reset the flag yet.
+#if !defined(__WXGTK20__)
+        evtHandler->SetInSetFocus(false);
+#endif
+    }
 }
 
 bool wxGridCellChoiceEditor::EndEdit(int row, int col,
                                      wxGrid* grid)
 {
     wxString value = Combo()->GetValue();
-    bool changed = value != m_startValue;
+    if ( value == m_startValue )
+        return false;
 
-    if ( changed )
-        grid->GetTable()->SetValue(row, col, value);
+    grid->GetTable()->SetValue(row, col, value);
 
-    m_startValue = wxEmptyString;
-    if (m_allowOthers)
-        Combo()->SetValue(m_startValue);
-    else
-        Combo()->SetSelection(0);
-
-    return changed;
+    return true;
 }
 
 void wxGridCellChoiceEditor::Reset()
@@ -1501,6 +1549,18 @@ wxString wxGridCellChoiceEditor::GetValue() const
 // wxGridCellEditorEvtHandler
 // ----------------------------------------------------------------------------
 
+void wxGridCellEditorEvtHandler::OnKillFocus(wxFocusEvent& event)
+{
+    // Don't disable the cell if we're just starting to edit it
+    if (m_inSetFocus)
+        return;
+
+    // accept changes
+    m_grid->DisableCellEditControl();
+
+    event.Skip();
+}
+
 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
 {
     switch ( event.GetKeyCode() )
@@ -1520,7 +1580,6 @@ void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
                 m_editor->HandleReturn(event);
             break;
 
-
         default:
             event.Skip();
     }
@@ -1528,6 +1587,14 @@ void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
 
 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
 {
+    int row = m_grid->GetGridCursorRow();
+    int col = m_grid->GetGridCursorCol();
+    wxRect rect = m_grid->CellToRect( row, col );
+    int cw, ch;
+    m_grid->GetGridWindow()->GetClientSize( &cw, &ch );
+    // if cell width is smaller than grid client area, cell is wholly visible
+    bool wholeCellVisible = (rect.GetWidth() < cw);
+
     switch ( event.GetKeyCode() )
     {
         case WXK_ESCAPE:
@@ -1536,6 +1603,85 @@ void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
         case WXK_NUMPAD_ENTER:
             break;
 
+        case WXK_HOME:
+        {
+            if( wholeCellVisible )
+            {
+                // no special processing needed...
+                event.Skip();
+                break;
+            }
+
+            // do special processing for partly visible cell...
+
+            // get the widths of all cells previous to this one
+            int colXPos = 0;
+            for ( int i = 0; i < col; i++ ) 
+            {
+                colXPos += m_grid->GetColSize(i);
+            }
+
+            int xUnit = 1, yUnit = 1;
+            m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
+            if (col != 0)
+            {
+                m_grid->Scroll(colXPos/xUnit-1, m_grid->GetScrollPos(wxVERTICAL));
+            }
+            else
+            {
+                m_grid->Scroll(colXPos/xUnit, m_grid->GetScrollPos(wxVERTICAL));
+            }
+            event.Skip();
+            break;
+        }
+        case WXK_END:
+        {
+            if( wholeCellVisible )
+            {
+                // no special processing needed...
+                event.Skip();
+                break;
+            }
+
+            // do special processing for partly visible cell...
+
+            int textWidth = 0;
+            wxString value = m_grid->GetCellValue(row, col);
+            if ( wxEmptyString != value )
+            {
+                // get width of cell CONTENTS (text)
+                int y;
+                wxFont font = m_grid->GetCellFont(row, col);
+                m_grid->GetTextExtent(value, &textWidth, &y, NULL, NULL, &font);
+                // try to RIGHT align the text by scrolling
+                int client_right = m_grid->GetGridWindow()->GetClientSize().GetWidth();
+                // (m_grid->GetScrollLineX()*2) is a factor for not scrolling to far,
+                // otherwise the last part of the cell content might be hidden below the scroll bar
+                // FIXME: maybe there is a more suitable correction?
+                textWidth -= (client_right - (m_grid->GetScrollLineX()*2));
+                if ( textWidth < 0 )
+                {
+                    textWidth = 0;
+                }
+            }
+
+            // get the widths of all cells previous to this one
+            int colXPos = 0;
+            for ( int i = 0; i < col; i++ ) 
+            {
+                colXPos += m_grid->GetColSize(i);
+            }
+            // and add the (modified) text width of the cell contents
+            // as we'd like to see the last part of the cell contents
+            colXPos += textWidth;
+
+            int xUnit = 1, yUnit = 1;
+            m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
+            m_grid->Scroll(colXPos/xUnit-1, m_grid->GetScrollPos(wxVERTICAL));
+            event.Skip();
+            break;
+        }
+
         default:
             event.Skip();
     }
@@ -1573,20 +1719,20 @@ void wxGridCellRenderer::Draw(wxGrid& grid,
     dc.SetBackgroundMode( wxSOLID );
 
     // grey out fields if the grid is disabled
-    if( grid.IsEnabled() )
+    if ( grid.IsEnabled() )
     {
-      if ( isSelected )
-      {
-          dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
-      }
-      else
-      {
-          dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
-      }
+        if ( isSelected )
+        {
+            dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
+        }
+        else
+        {
+            dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
+        }
     }
     else
     {
-      dc.SetBrush(wxBrush(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
+        dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
     }
 
     dc.SetPen( *wxTRANSPARENT_PEN );
@@ -1597,8 +1743,8 @@ void wxGridCellRenderer::Draw(wxGrid& grid,
 // wxGridCellStringRenderer
 // ----------------------------------------------------------------------------
 
-void wxGridCellStringRenderer::SetTextColoursAndFont(wxGrid& grid,
-                                                     wxGridCellAttr& attr,
+void wxGridCellStringRenderer::SetTextColoursAndFont(const wxGrid& grid,
+                                                     const wxGridCellAttr& attr,
                                                      wxDC& dc,
                                                      bool isSelected)
 {
@@ -1607,7 +1753,7 @@ void wxGridCellStringRenderer::SetTextColoursAndFont(wxGrid& grid,
     // TODO some special colours for attr.IsReadOnly() case?
 
     // different coloured text when the grid is disabled
-    if( grid.IsEnabled() )
+    if ( grid.IsEnabled() )
     {
       if ( isSelected )
       {
@@ -1622,14 +1768,14 @@ void wxGridCellStringRenderer::SetTextColoursAndFont(wxGrid& grid,
     }
     else
     {
-      dc.SetTextBackground(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE));
-      dc.SetTextForeground(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_GRAYTEXT));
+      dc.SetTextBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
+      dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT));
     }
 
     dc.SetFont( attr.GetFont() );
 }
 
-wxSize wxGridCellStringRenderer::DoGetBestSize(wxGridCellAttr& attr,
+wxSize wxGridCellStringRenderer::DoGetBestSize(const wxGridCellAttr& attr,
                                                wxDC& dc,
                                                const wxString& text)
 {
@@ -1684,7 +1830,7 @@ void wxGridCellStringRenderer::Draw(wxGrid& grid,
             int i, c_cols, c_rows;
             for (i = col+cell_cols; i < cols; i++)
             {
-                bool is_empty = TRUE;
+                bool is_empty = true;
                 for (int j=row; j<row+cell_rows; j++)
                 {
                     // check w/ anchor cell for multicell block
@@ -1692,7 +1838,7 @@ void wxGridCellStringRenderer::Draw(wxGrid& grid,
                     if (c_rows > 0) c_rows = 0;
                     if (!grid.GetTable()->IsEmptyCell(j+c_rows, i))
                     {
-                        is_empty = FALSE;
+                        is_empty = false;
                         break;
                     }
                 }
@@ -1703,10 +1849,12 @@ void wxGridCellStringRenderer::Draw(wxGrid& grid,
                     i--;
                     break;
                 }
-                if (rect.width >= best_width) break;
+                if (rect.width >= best_width)
+                    break;
             }
             overflowCols = i - col - cell_cols + 1;
-            if (overflowCols >= cols) overflowCols = cols - 1;
+            if (overflowCols >= cols)
+                overflowCols = cols - 1;
         }
 
         if (overflowCols > 0) // redraw overflow cells w/ proper hilight
@@ -1750,7 +1898,7 @@ void wxGridCellStringRenderer::Draw(wxGrid& grid,
 // wxGridCellNumberRenderer
 // ----------------------------------------------------------------------------
 
-wxString wxGridCellNumberRenderer::GetString(wxGrid& grid, int row, int col)
+wxString wxGridCellNumberRenderer::GetString(const wxGrid& grid, int row, int col)
 {
     wxGridTableBase *table = grid.GetTable();
     wxString text;
@@ -1816,7 +1964,7 @@ wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
     return renderer;
 }
 
-wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
+wxString wxGridCellFloatRenderer::GetString(const wxGrid& grid, int row, int col)
 {
     wxGridTableBase *table = grid.GetTable();
 
@@ -1826,7 +1974,7 @@ wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
     {
         val = table->GetValueAsDouble(row, col);
-        hasDouble = TRUE;
+        hasDouble = true;
     }
     else
     {
@@ -1910,7 +2058,7 @@ void wxGridCellFloatRenderer::SetParameters(const wxString& params)
     else
     {
         wxString tmp = params.BeforeFirst(_T(','));
-        if ( !!tmp )
+        if ( !tmp.empty() )
         {
             long width;
             if ( tmp.ToLong(&width) )
@@ -1921,21 +2069,19 @@ void wxGridCellFloatRenderer::SetParameters(const wxString& params)
             {
                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
             }
-
         }
-                tmp = params.AfterFirst(_T(','));
-                if ( !!tmp )
-                {
-                    long precision;
+        tmp = params.AfterFirst(_T(','));
+        if ( !tmp.empty() )
+        {
+            long precision;
             if ( tmp.ToLong(&precision) )
-                    {
+            {
                 SetPrecision((int)precision);
-                    }
-                    else
-                    {
+            }
+            else
+            {
                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
-        }
-
+            }
         }
     }
 }
@@ -1962,7 +2108,7 @@ wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
     if ( !ms_sizeCheckMark.x )
     {
         // get checkbox size
-        wxCheckBox *checkbox = new wxCheckBox(&grid, -1, wxEmptyString);
+        wxCheckBox *checkbox = new wxCheckBox(&grid, wxID_ANY, wxEmptyString);
         wxSize size = checkbox->GetBestSize();
         wxCoord checkSize = size.y + 2*wxGRID_CHECKMARK_MARGIN;
 
@@ -2119,13 +2265,14 @@ void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
         SetBackgroundColour(mergefrom->GetBackgroundColour());
     if ( !HasFont() && mergefrom->HasFont() )
         SetFont(mergefrom->GetFont());
-    if ( !HasAlignment() && mergefrom->HasAlignment() ){
+    if ( !HasAlignment() && mergefrom->HasAlignment() )
+    {
         int hAlign, vAlign;
         mergefrom->GetAlignment( &hAlign, &vAlign);
         SetAlignment(hAlign, vAlign);
     }
-
-    mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
+    if ( !HasSize() && mergefrom->HasSize() )
+        mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
 
     // Directly access member functions as GetRender/Editor don't just return
     // m_renderer/m_editor
@@ -2221,8 +2368,10 @@ void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
 {
     if (HasAlignment())
     {
-        if ( hAlign ) *hAlign = m_hAlign;
-        if ( vAlign ) *vAlign = m_vAlign;
+        if ( hAlign )
+            *hAlign = m_hAlign;
+        if ( vAlign )
+            *vAlign = m_vAlign;
     }
     else if (m_defGridAttr && m_defGridAttr != this)
         m_defGridAttr->GetAlignment(hAlign, vAlign);
@@ -2234,8 +2383,10 @@ void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
 
 void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
 {
-    if ( num_rows ) *num_rows = m_sizeRows;
-    if ( num_cols ) *num_cols = m_sizeCols;
+    if ( num_rows )
+        *num_rows = m_sizeRows;
+    if ( num_cols )
+        *num_cols = m_sizeCols;
 }
 
 // GetRenderer and GetEditor use a slightly different decision path about
@@ -2409,8 +2560,11 @@ void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
                 else
                 {
                     // ...or remove the attribute
-                    m_attrs.RemoveAt((size_t)n);
-                    n--; count--;
+                    // No need to DecRef the attribute itself since this is
+                    // done be wxGridCellWithAttr's destructor!
+                    m_attrs.RemoveAt(n);
+                    n--;
+                    count--;
                 }
             }
         }
@@ -2442,7 +2596,9 @@ void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols )
                 else
                 {
                     // ...or remove the attribute
-                    m_attrs.RemoveAt((size_t)n);
+                    // No need to DecRef the attribute itself since this is
+                    // done be wxGridCellWithAttr's destructor!
+                    m_attrs.RemoveAt(n);
                     n--; count--;
                 }
             }
@@ -2540,9 +2696,11 @@ void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols
                     rowOrCol += numRowsOrCols;
                 else
                 {
-                    m_rowsOrCols.RemoveAt((size_t)n);
-                    m_attrs.RemoveAt((size_t)n);
-                    n--; count--;
+                    m_rowsOrCols.RemoveAt(n);
+                    m_attrs[n]->DecRef();
+                    m_attrs.RemoveAt(n);
+                    n--;
+                    count--;
                 }
             }
         }
@@ -2574,60 +2732,80 @@ wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
     if ( m_data )
     {
-        switch(kind)
+        switch (kind)
         {
             case (wxGridCellAttr::Any):
-                //Get cached merge attributes.
-                // Currenlty not used as no cache implemented as not mutiable
+                // Get cached merge attributes.
+                // Currently not used as no cache implemented as not mutable
                 // attr = m_data->m_mergeAttr.GetAttr(row, col);
-                if(!attr)
+                if (!attr)
                 {
-                    //Basicaly implement old version.
-                    //Also check merge cache, so we don't have to re-merge every time..
+                    // Basically implement old version.
+                    // Also check merge cache, so we don't have to re-merge every time..
                     wxGridCellAttr *attrcell = m_data->m_cellAttrs.GetAttr(row, col);
                     wxGridCellAttr *attrrow = m_data->m_rowAttrs.GetAttr(row);
                     wxGridCellAttr *attrcol = m_data->m_colAttrs.GetAttr(col);
 
-                    if((attrcell != attrrow) && (attrrow !=attrcol) && (attrcell != attrcol)){
-                        // Two or move are non NULL
+                    if ((attrcell != attrrow) && (attrrow != attrcol) && (attrcell != attrcol))
+                    {
+                        // Two or more are non NULL
                         attr = new wxGridCellAttr;
                         attr->SetKind(wxGridCellAttr::Merged);
 
-                        //Order important..
-                        if(attrcell){
+                        // Order is important..
+                        if (attrcell)
+                        {
                             attr->MergeWith(attrcell);
                             attrcell->DecRef();
                         }
-                        if(attrcol){
+                        if (attrcol)
+                        {
                             attr->MergeWith(attrcol);
                             attrcol->DecRef();
                         }
-                        if(attrrow){
+                        if (attrrow)
+                        {
                             attr->MergeWith(attrrow);
                             attrrow->DecRef();
                         }
-                        //store merge attr if cache implemented
+
+                        // store merge attr if cache implemented
                         //attr->IncRef();
                         //m_data->m_mergeAttr.SetAttr(attr, row, col);
                     }
                     else
-        {
+                    {
                         // one or none is non null return it or null.
-                        if(attrrow) attr = attrrow;
-                        if(attrcol) attr = attrcol;
-                        if(attrcell) attr = attrcell;
+                        if (attrrow)
+                            attr = attrrow;
+                        if (attrcol)
+                        {
+                            if (attr)
+                                attr->DecRef();
+                            attr = attrcol;
+                        }
+                        if (attrcell)
+                        {
+                            if (attr)
+                                attr->DecRef();
+                            attr = attrcell;
+                        }
                     }
                 }
             break;
+
             case (wxGridCellAttr::Cell):
                 attr = m_data->m_cellAttrs.GetAttr(row, col);
             break;
+
             case (wxGridCellAttr::Col):
-                 attr = m_data->m_colAttrs.GetAttr(col);
+                attr = m_data->m_colAttrs.GetAttr(col);
             break;
+
             case (wxGridCellAttr::Row):
-            attr = m_data->m_rowAttrs.GetAttr(row);
+                attr = m_data->m_rowAttrs.GetAttr(row);
             break;
+
             default:
                 // unused as yet...
                 // (wxGridCellAttr::Default):
@@ -2741,7 +2919,8 @@ int wxGridTypeRegistry::FindDataType(const wxString& typeName)
             RegisterDataType(wxGRID_VALUE_STRING,
                              new wxGridCellStringRenderer,
                              new wxGridCellTextEditor);
-        } else
+        }
+        else
 #endif // wxUSE_TEXTCTRL
 #if wxUSE_CHECKBOX
         if ( typeName == wxGRID_VALUE_BOOL )
@@ -2749,7 +2928,8 @@ int wxGridTypeRegistry::FindDataType(const wxString& typeName)
             RegisterDataType(wxGRID_VALUE_BOOL,
                              new wxGridCellBoolRenderer,
                              new wxGridCellBoolEditor);
-        } else
+        }
+        else
 #endif // wxUSE_CHECKBOX
 #if wxUSE_TEXTCTRL
         if ( typeName == wxGRID_VALUE_NUMBER )
@@ -2763,7 +2943,8 @@ int wxGridTypeRegistry::FindDataType(const wxString& typeName)
             RegisterDataType(wxGRID_VALUE_FLOAT,
                              new wxGridCellFloatRenderer,
                              new wxGridCellFloatEditor);
-        } else
+        }
+        else
 #endif // wxUSE_TEXTCTRL
 #if wxUSE_COMBOBOX
         if ( typeName == wxGRID_VALUE_CHOICE )
@@ -2771,7 +2952,8 @@ int wxGridTypeRegistry::FindDataType(const wxString& typeName)
             RegisterDataType(wxGRID_VALUE_CHOICE,
                              new wxGridCellStringRenderer,
                              new wxGridCellChoiceEditor);
-        } else
+        }
+        else
 #endif // wxUSE_COMBOBOX
         {
             return wxNOT_FOUND;
@@ -2870,7 +3052,7 @@ bool wxGridTableBase::CanHaveAttributes()
         // use the default attr provider by default
         SetAttrProvider(new wxGridCellAttrProvider);
     }
-    return TRUE;
+    return true;
 }
 
 wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind  kind)
@@ -2881,6 +3063,7 @@ wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAtt
         return (wxGridCellAttr *)NULL;
 }
 
+
 void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
 {
     if ( m_attrProvider )
@@ -2931,14 +3114,14 @@ bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
 {
     wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );
 
-    return FALSE;
+    return false;
 }
 
 bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )
 {
     wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));
 
-    return FALSE;
+    return false;
 }
 
 bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
@@ -2946,7 +3129,7 @@ bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
 {
     wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));
 
-    return FALSE;
+    return false;
 }
 
 bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
@@ -2954,14 +3137,14 @@ bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
 {
     wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));
 
-    return FALSE;
+    return false;
 }
 
 bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )
 {
     wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));
 
-    return FALSE;
+    return false;
 }
 
 bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
@@ -2969,10 +3152,9 @@ bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
 {
     wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));
 
-    return FALSE;
+    return false;
 }
 
-
 wxString wxGridTableBase::GetRowLabelValue( int row )
 {
     wxString s;
@@ -2992,9 +3174,10 @@ wxString wxGridTableBase::GetColLabelValue( int col )
     unsigned int i, n;
     for ( n = 1; ; n++ )
     {
-        s += (_T('A') + (wxChar)( col%26 ));
+        s += (wxChar) (_T('A') + (wxChar)( col%26 ));
         col = col/26 - 1;
-        if ( col < 0 ) break;
+        if ( col < 0 )
+            break;
     }
 
     // reverse the string...
@@ -3007,7 +3190,6 @@ wxString wxGridTableBase::GetColLabelValue( int col )
     return s2;
 }
 
-
 wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) )
 {
     return wxGRID_VALUE_STRING;
@@ -3036,7 +3218,7 @@ double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) )
 
 bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) )
 {
-    return FALSE;
+    return false;
 }
 
 void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col),
@@ -3208,14 +3390,15 @@ bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::AppendRows( size_t numRows )
 {
     size_t curNumRows = m_data.GetCount();
-    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
-                          ( GetView() ? GetView()->GetNumberCols() : 0 ) );
+    size_t curNumCols = ( curNumRows > 0
+                         ? m_data[0].GetCount()
+                         : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
 
     wxArrayString sa;
     if ( curNumCols > 0 )
@@ -3235,7 +3418,7 @@ bool wxGridStringTable::AppendRows( size_t numRows )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
@@ -3252,7 +3435,7 @@ bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
                         (unsigned long)curNumRows
                     ) );
 
-        return FALSE;
+        return false;
     }
 
     if ( numRows > curNumRows - pos )
@@ -3268,6 +3451,7 @@ bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
     {
         m_data.RemoveAt( pos, numRows );
     }
+
     if ( GetView() )
     {
         wxGridTableMessage msg( this,
@@ -3278,7 +3462,7 @@ bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
@@ -3286,8 +3470,9 @@ bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
     size_t row, col;
 
     size_t curNumRows = m_data.GetCount();
-    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
-                          ( GetView() ? GetView()->GetNumberCols() : 0 ) );
+    size_t curNumCols = ( curNumRows > 0
+                         ? m_data[0].GetCount()
+                         : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
 
     if ( pos >= curNumCols )
     {
@@ -3301,6 +3486,7 @@ bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
             m_data[row].Insert( wxEmptyString, col );
         }
     }
+
     if ( GetView() )
     {
         wxGridTableMessage msg( this,
@@ -3311,7 +3497,7 @@ bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::AppendCols( size_t numCols )
@@ -3325,7 +3511,7 @@ bool wxGridStringTable::AppendCols( size_t numCols )
         // TODO: something better than this ?
         //
         wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
-        return FALSE;
+        return false;
     }
 #endif
 
@@ -3343,7 +3529,7 @@ bool wxGridStringTable::AppendCols( size_t numCols )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
@@ -3363,7 +3549,7 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
                         (unsigned long)numCols,
                         (unsigned long)curNumCols
                     ) );
-        return FALSE;
+        return false;
     }
 
     if ( numCols > curNumCols - pos )
@@ -3382,6 +3568,7 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
             m_data[row].RemoveAt( pos, numCols );
         }
     }
+
     if ( GetView() )
     {
         wxGridTableMessage msg( this,
@@ -3392,7 +3579,7 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 wxString wxGridStringTable::GetRowLabelValue( int row )
@@ -3454,7 +3641,6 @@ void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
 }
 
 
-
 //////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////
 
@@ -3466,12 +3652,13 @@ BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
     EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
+    EVT_CHAR ( wxGridRowLabelWindow::OnChar )
 END_EVENT_TABLE()
 
 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE|wxFULL_REPAINT_ON_RESIZE )
 {
     m_owner = parent;
 }
@@ -3494,19 +3681,16 @@ void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
     m_owner->DrawRowLabels( dc , rows );
 }
 
-
 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
 {
     m_owner->ProcessRowLabelMouseEvent( event );
 }
 
-
 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
 {
     m_owner->GetEventHandler()->ProcessEvent(event);
 }
 
-
 // This seems to be required for wxMotif otherwise the mouse
 // cursor must be in the cell edit control to get key events
 //
@@ -3520,6 +3704,10 @@ void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
 }
 
+void wxGridRowLabelWindow::OnChar( wxKeyEvent& event )
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+}
 
 
 //////////////////////////////////////////////////////////////////////
@@ -3532,12 +3720,13 @@ BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
     EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
+    EVT_CHAR ( wxGridColLabelWindow::OnChar )
 END_EVENT_TABLE()
 
 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE|wxFULL_REPAINT_ON_RESIZE )
 {
     m_owner = parent;
 }
@@ -3560,7 +3749,6 @@ void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
     m_owner->DrawColLabels( dc , cols );
 }
 
-
 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
 {
     m_owner->ProcessColLabelMouseEvent( event );
@@ -3571,20 +3759,26 @@ void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
     m_owner->GetEventHandler()->ProcessEvent(event);
 }
 
-
 // This seems to be required for wxMotif otherwise the mouse
 // cursor must be in the cell edit control to get key events
 //
 void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
 {
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
 }
 
 void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
 {
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
 }
 
+void wxGridColLabelWindow::OnChar( wxKeyEvent& event )
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
+}
 
 
 //////////////////////////////////////////////////////////////////////
@@ -3597,12 +3791,13 @@ BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
     EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
     EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
+    EVT_CHAR ( wxGridCornerLabelWindow::OnChar )
 END_EVENT_TABLE()
 
 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
                                                   wxWindowID id,
                                                   const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE|wxFULL_REPAINT_ON_RESIZE )
 {
     m_owner = parent;
 }
@@ -3615,6 +3810,16 @@ void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
     int client_width = 0;
     GetClientSize( &client_width, &client_height );
 
+    // VZ: any reason for this ifdef? (FIXME)
+#ifdef __WXGTK__
+    wxRect rect;
+    rect.SetX( 1 );
+    rect.SetY( 1 );
+    rect.SetWidth( client_width - 2 );
+    rect.SetHeight( client_height - 2 );
+
+    wxRendererNative::Get().DrawHeaderButton( this, dc, rect, 0 );
+#else // !__WXGTK__
     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
     dc.DrawLine( client_width-1, client_height-1, client_width-1, 0 );
     dc.DrawLine( client_width-1, client_height-1, 0, client_height-1 );
@@ -3624,15 +3829,14 @@ void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
     dc.SetPen( *wxWHITE_PEN );
     dc.DrawLine( 1, 1, client_width-1, 1 );
     dc.DrawLine( 1, 1, 1, client_height-1 );
+#endif // __WXGTK__/!__WXGTK__
 }
 
-
 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
 {
     m_owner->ProcessCornerLabelMouseEvent( event );
 }
 
-
 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
 {
     m_owner->GetEventHandler()->ProcessEvent(event);
@@ -3651,6 +3855,10 @@ void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
 }
 
+void wxGridCornerLabelWindow::OnChar( wxKeyEvent& event )
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+}
 
 
 //////////////////////////////////////////////////////////////////////
@@ -3663,6 +3871,7 @@ BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
     EVT_KEY_UP( wxGridWindow::OnKeyUp )
+    EVT_CHAR ( wxGridWindow::OnChar )
     EVT_SET_FOCUS( wxGridWindow::OnFocus )
     EVT_KILL_FOCUS( wxGridWindow::OnFocus )
     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
@@ -3674,22 +3883,14 @@ wxGridWindow::wxGridWindow( wxGrid *parent,
                             wxWindowID id,
                             const wxPoint &pos,
                             const wxSize &size )
-            : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxCLIP_CHILDREN,
+            : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxCLIP_CHILDREN|wxFULL_REPAINT_ON_RESIZE,
                         wxT("grid window") )
-
 {
     m_owner = parent;
     m_rowLabelWin = rowLblWin;
     m_colLabelWin = colLblWin;
-    SetBackgroundColour(_T("WHITE"));
-}
-
-
-wxGridWindow::~wxGridWindow()
-{
 }
 
-
 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 {
     wxPaintDC dc( this );
@@ -3704,7 +3905,6 @@ void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
     m_owner->DrawHighlight( dc , DirtyCells );
 }
 
-
 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
 {
     wxWindow::ScrollWindow( dx, dy, rect );
@@ -3712,9 +3912,11 @@ void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
     m_colLabelWin->ScrollWindow( dx, 0, rect );
 }
 
-
 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
 {
+    if (event.ButtonDown(wxMOUSE_BTN_LEFT) && FindFocus() != this)
+        SetFocus();
+
     m_owner->ProcessGridCellMouseEvent( event );
 }
 
@@ -3728,12 +3930,20 @@ void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
 //
 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
 {
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
 }
 
 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
 {
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
+}
+
+void wxGridWindow::OnChar( wxKeyEvent& event )
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
 }
 
 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
@@ -3761,10 +3971,10 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
 
 #define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
                                           m_minAcceptableColWidth, \
-                                          m_colRights, m_numCols, TRUE)
+                                          m_colRights, m_numCols, true)
 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
                                           m_minAcceptableRowHeight, \
-                                          m_rowBottoms, m_numRows, TRUE)
+                                          m_rowBottoms, m_numRows, true)
 /////////////////////////////////////////////////////////////////////
 
 #if wxUSE_EXTENDED_RTTI
@@ -3779,7 +3989,7 @@ wxBEGIN_FLAGS( wxGridStyle )
     wxFLAGS_MEMBER(wxBORDER_RAISED)
     wxFLAGS_MEMBER(wxBORDER_STATIC)
     wxFLAGS_MEMBER(wxBORDER_NONE)
-    
+
     // old style border flags
     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
@@ -3804,16 +4014,16 @@ IMPLEMENT_DYNAMIC_CLASS_XTI(wxGrid, wxScrolledWindow,"wx/grid.h")
 
 wxBEGIN_PROPERTIES_TABLE(wxGrid)
     wxHIDE_PROPERTY( Children )
-    wxPROPERTY_FLAGS( WindowStyle , wxGridStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+    wxPROPERTY_FLAGS( WindowStyle , wxGridStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 wxEND_PROPERTIES_TABLE()
 
 wxBEGIN_HANDLERS_TABLE(wxGrid)
 wxEND_HANDLERS_TABLE()
 
-wxCONSTRUCTOR_5( wxGrid , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) 
+wxCONSTRUCTOR_5( wxGrid , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
 
 /*
- TODO : Expose more information of a list's layout etc. via appropriate objects (à la NotebookPageInfo)
+ TODO : Expose more information of a list's layout etc. via appropriate objects (à la NotebookPageInfo)
 */
 #else
 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
@@ -3824,6 +4034,7 @@ BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
     EVT_SIZE( wxGrid::OnSize )
     EVT_KEY_DOWN( wxGrid::OnKeyDown )
     EVT_KEY_UP( wxGrid::OnKeyUp )
+    EVT_CHAR ( wxGrid::OnChar )
     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
 END_EVENT_TABLE()
 
@@ -3848,6 +4059,7 @@ wxGrid::wxGrid( wxWindow *parent,
     m_rowMinHeights(GRID_HASH_SIZE)
 {
     Create();
+    SetBestFittingSize(size);
 }
 
 bool wxGrid::Create(wxWindow *parent, wxWindowID id,
@@ -3856,15 +4068,15 @@ bool wxGrid::Create(wxWindow *parent, wxWindowID id,
 {
     if (!wxScrolledWindow::Create(parent, id, pos, size,
                                   style | wxWANTS_CHARS , name))
-        return FALSE;
+        return false;
 
     m_colMinWidths = wxLongToLongHashMap(GRID_HASH_SIZE) ;
     m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE) ;
 
     Create() ;
+    SetBestFittingSize(size);
 
-
-    return TRUE;
+    return true;
 }
 
 
@@ -3895,14 +4107,22 @@ wxGrid::~wxGrid()
 // ----- internal init and update functions
 //
 
+// NOTE: If using the default visual attributes works everywhere then this can
+// be removed as well as the #else cases below.
+#define _USE_VISATTR 0
+
+#if _USE_VISATTR
+#include "wx/listbox.h"
+#endif
+
 void wxGrid::Create()
 {
-    m_created = FALSE;    // set to TRUE by CreateGrid
+    m_created = false;    // set to true by CreateGrid
 
     m_table        = (wxGridTableBase *) NULL;
-    m_ownTable     = FALSE;
+    m_ownTable     = false;
 
-    m_cellEditCtrlEnabled = FALSE;
+    m_cellEditCtrlEnabled = false;
 
     m_defaultCellAttr = new wxGridCellAttr();
 
@@ -3911,13 +4131,22 @@ void wxGrid::Create()
     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
     m_defaultCellAttr->SetFont(GetFont());
     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
+    m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
+    m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
+
+#if _USE_VISATTR
+    wxVisualAttributes gva = wxListBox::GetClassDefaultAttributes();
+    wxVisualAttributes lva = wxPanel::GetClassDefaultAttributes();
+
+    m_defaultCellAttr->SetTextColour(gva.colFg);
+    m_defaultCellAttr->SetBackgroundColour(gva.colBg);
+
+#else
     m_defaultCellAttr->SetTextColour(
         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
     m_defaultCellAttr->SetBackgroundColour(
         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
-    m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
-    m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
-
+#endif
 
     m_numRows = 0;
     m_numCols = 0;
@@ -3932,29 +4161,50 @@ void wxGrid::Create()
 
     // subwindow components that make up the wxGrid
     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
-                                                    -1,
+                                                    wxID_ANY,
                                                     wxDefaultPosition,
                                                     wxDefaultSize );
 
     m_rowLabelWin = new wxGridRowLabelWindow( this,
-                                              -1,
+                                              wxID_ANY,
                                               wxDefaultPosition,
                                               wxDefaultSize );
 
     m_colLabelWin = new wxGridColLabelWindow( this,
-                                              -1,
+                                              wxID_ANY,
                                               wxDefaultPosition,
                                               wxDefaultSize );
 
     m_gridWin = new wxGridWindow( this,
                                   m_rowLabelWin,
                                   m_colLabelWin,
-                                  -1,
+                                  wxID_ANY,
                                   wxDefaultPosition,
                                   wxDefaultSize );
 
     SetTargetWindow( m_gridWin );
 
+#if _USE_VISATTR
+    wxColour gfg = gva.colFg;
+    wxColour gbg = gva.colBg;
+    wxColour lfg = lva.colFg;
+    wxColour lbg = lva.colBg;
+#else
+    wxColour gfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
+    wxColour gbg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
+    wxColour lfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
+    wxColour lbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
+#endif
+    m_cornerLabelWin->SetOwnForegroundColour(lfg);
+    m_cornerLabelWin->SetOwnBackgroundColour(lbg);
+    m_rowLabelWin->SetOwnForegroundColour(lfg);
+    m_rowLabelWin->SetOwnBackgroundColour(lbg);
+    m_colLabelWin->SetOwnForegroundColour(lfg);
+    m_colLabelWin->SetOwnBackgroundColour(lbg);
+
+    m_gridWin->SetOwnForegroundColour(gfg);
+    m_gridWin->SetOwnBackgroundColour(gbg);
+
     Init();
 }
 
@@ -3963,7 +4213,7 @@ bool wxGrid::CreateGrid( int numRows, int numCols,
                          wxGrid::wxGridSelectionModes selmode )
 {
     wxCHECK_MSG( !m_created,
-                 FALSE,
+                 false,
                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
 
     m_numRows = numRows;
@@ -3971,12 +4221,12 @@ bool wxGrid::CreateGrid( int numRows, int numCols,
 
     m_table = new wxGridStringTable( m_numRows, m_numCols );
     m_table->SetView( this );
-    m_ownTable = TRUE;
+    m_ownTable = true;
     m_selection = new wxGridSelection( this, selmode );
 
     CalcDimensions();
 
-    m_created = TRUE;
+    m_created = true;
 
     return m_created;
 }
@@ -4003,7 +4253,7 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
     if ( m_created )
     {
         // stop all processing
-        m_created = FALSE;
+        m_created = false;
 
         if (m_ownTable)
         {
@@ -4025,13 +4275,12 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
 
         m_table = table;
         m_table->SetView( this );
-        if (takeOwnership)
-            m_ownTable = TRUE;
+        m_ownTable = takeOwnership;
         m_selection = new wxGridSelection( this, selmode );
 
         CalcDimensions();
 
-        m_created = TRUE;
+        m_created = true;
     }
 
     return m_created;
@@ -4084,22 +4333,23 @@ void wxGrid::Init()
 #endif
 
     m_gridLineColour = wxColour( 192,192,192 );
-    m_gridLinesEnabled = TRUE;
+    m_gridLinesEnabled = true;
     m_cellHighlightColour = *wxBLACK;
     m_cellHighlightPenWidth = 2;
     m_cellHighlightROPenWidth = 1;
 
     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
     m_winCapture = (wxWindow *)NULL;
-    m_canDragRowSize = TRUE;
-    m_canDragColSize = TRUE;
-    m_canDragGridSize = TRUE;
+    m_canDragRowSize = true;
+    m_canDragColSize = true;
+    m_canDragGridSize = true;
+    m_canDragCell = false;
     m_dragLastPos  = -1;
     m_dragRowOrCol = -1;
-    m_isDragging = FALSE;
+    m_isDragging = false;
     m_startDragPos = wxDefaultPosition;
 
-    m_waitForSlowClick = FALSE;
+    m_waitForSlowClick = false;
 
     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
@@ -4111,13 +4361,16 @@ void wxGrid::Init()
     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
 
-    m_editable = TRUE;  // default for whole grid
+    m_editable = true;  // default for whole grid
 
-    m_inOnKeyDown = FALSE;
+    m_inOnKeyDown = false;
     m_batchCount = 0;
 
     m_extraWidth =
     m_extraHeight = 0;
+
+    m_scrollLineX = GRID_SCROLL_LINE_X;
+    m_scrollLineY = GRID_SCROLL_LINE_Y;
 }
 
 // ----------------------------------------------------------------------------
@@ -4216,7 +4469,7 @@ void wxGrid::CalcDimensions()
     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
 
     // take into account editor if shown
-    if( IsCellEditControlShown() )
+    if ( IsCellEditControlShown() )
     {
       int w2, h2;
       int r = m_currentCellCoords.GetRow();
@@ -4230,8 +4483,10 @@ void wxGrid::CalcDimensions()
       editor->GetControl()->GetSize(&w2, &h2);
       w2 += x;
       h2 += y;
-      if( w2 > w ) w = w2;
-      if( h2 > h ) h = h2;
+      if ( w2 > w )
+          w = w2;
+      if ( h2 > h )
+          h = h2;
       editor->DecRef();
       attr->DecRef();
     }
@@ -4247,7 +4502,7 @@ void wxGrid::CalcDimensions()
         y = wxMax( h - 1, 0 );
 
     // do set scrollbar parameters
-    SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y,
+    SetScrollbars( m_scrollLineX, m_scrollLineY,
                    GetScrollX(w), GetScrollY(h), x, y,
                    GetBatchCount() != 0);
 
@@ -4267,16 +4522,16 @@ void wxGrid::CalcWindowSizes()
     int cw, ch;
     GetClientSize( &cw, &ch );
 
-    if ( m_cornerLabelWin->IsShown() )
+    if ( m_cornerLabelWin && m_cornerLabelWin->IsShown() )
         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
 
-    if ( m_colLabelWin->IsShown() )
+    if (  m_colLabelWin && m_colLabelWin->IsShown() )
         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw-m_rowLabelWidth, m_colLabelHeight);
 
-    if ( m_rowLabelWin->IsShown() )
+    if ( m_rowLabelWin && m_rowLabelWin->IsShown() )
         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch-m_colLabelHeight);
 
-    if ( m_gridWin->IsShown() )
+    if ( m_gridWin && m_gridWin->IsShown() )
         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw-m_rowLabelWidth, ch-m_colLabelHeight);
 }
 
@@ -4287,7 +4542,7 @@ void wxGrid::CalcWindowSizes()
 bool wxGrid::Redimension( wxGridTableMessage& msg )
 {
     int i;
-    bool result = FALSE;
+    bool result = false;
 
     // Clear the attribute cache as the attribute might refer to a different
     // cell than stored in the cache after adding/removing rows/columns.
@@ -4355,7 +4610,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_rowLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
@@ -4391,7 +4646,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_rowLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
@@ -4425,7 +4680,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             if ( m_selection )
                 m_selection->UpdateRows( pos, -((int)numRows) );
             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
-            if (attrProvider) {
+            if (attrProvider)
+            {
                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
 // ifdef'd out following patch from Paul Gammans
 #if 0
@@ -4444,7 +4700,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_rowLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
@@ -4487,7 +4743,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             }
 
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
@@ -4522,7 +4778,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_colLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
@@ -4556,7 +4812,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             if ( m_selection )
                 m_selection->UpdateCols( pos, -((int)numCols) );
             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
-            if (attrProvider) {
+            if (attrProvider)
+            {
                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
 // ifdef'd out following patch from Paul Gammans
 #if 0
@@ -4575,7 +4832,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_colLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
     }
 
@@ -4629,7 +4886,7 @@ wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
             rowlabels.Add( row );
         }
 
-        iter++ ;
+        ++iter;
     }
 
     return rowlabels;
@@ -4680,7 +4937,7 @@ wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
             colLabels.Add( col );
         }
 
-        iter++ ;
+        ++iter;
     }
     return colLabels;
 }
@@ -4740,7 +4997,7 @@ wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
             }
         }
 
-        iter++;
+        ++iter;
     }
 
     return cellsExposed;
@@ -4757,13 +5014,13 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     {
         if (!m_isDragging)
         {
-            m_isDragging = TRUE;
+            m_isDragging = true;
             m_rowLabelWin->CaptureMouse();
         }
 
         if ( event.LeftIsDown() )
         {
-            switch( m_cursorMode )
+            switch ( m_cursorMode )
             {
                 case WXGRID_CURSOR_RESIZE_ROW:
                 {
@@ -4787,6 +5044,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
                 break;
 
                 case WXGRID_CURSOR_SELECT_ROW:
+                {
                     if ( (row = YToRow( y )) >= 0 )
                     {
                         if ( m_selection )
@@ -4798,6 +5056,8 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
                                                     event.MetaDown() );
                         }
                     }
+                }
+                break;
 
                 // default label to suppress warnings about "enumeration value
                 // 'xxx' not handled in switch
@@ -4814,7 +5074,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     if (m_isDragging)
     {
         if (m_rowLabelWin->HasCapture()) m_rowLabelWin->ReleaseMouse();
-        m_isDragging = FALSE;
+        m_isDragging = false;
     }
 
     // ------------ Entering or leaving the window
@@ -4881,15 +5141,15 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     //
     else if (event.LeftDClick() )
     {
-        int row = YToEdgeOfRow(y);
+        row = YToEdgeOfRow(y);
         if ( row < 0 )
         {
             row = YToRow(y);
             if ( row >=0 &&
-	         !SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event ) )
-	    {
+                 !SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event ) )
+            {
                 // no default action at the moment
-	    }
+            }
         }
         else
         {
@@ -4927,7 +5187,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     {
         row = YToRow(y);
         if ( row >=0 &&
-	    !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
+             !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
         {
             // no default action at the moment
         }
@@ -4940,7 +5200,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     {
         row = YToRow(y);
         if ( row >= 0 &&
-	     !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
+             !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
         {
             // no default action at the moment
         }
@@ -4958,12 +5218,12 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
             {
                 // don't capture the mouse yet
                 if ( CanDragRowSize() )
-                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, FALSE);
+                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, false);
             }
         }
         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
         {
-            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, FALSE);
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, false);
         }
     }
 }
@@ -4979,13 +5239,13 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     {
         if (!m_isDragging)
         {
-            m_isDragging = TRUE;
+            m_isDragging = true;
             m_colLabelWin->CaptureMouse();
         }
 
         if ( event.LeftIsDown() )
         {
-            switch( m_cursorMode )
+            switch ( m_cursorMode )
             {
                 case WXGRID_CURSOR_RESIZE_COL:
                 {
@@ -5009,6 +5269,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
                 break;
 
                 case WXGRID_CURSOR_SELECT_COL:
+                {
                     if ( (col = XToCol( x )) >= 0 )
                     {
                         if ( m_selection )
@@ -5020,6 +5281,8 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
                                                     event.MetaDown() );
                         }
                     }
+                }
+                break;
 
                 // default label to suppress warnings about "enumeration value
                 // 'xxx' not handled in switch
@@ -5036,7 +5299,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     if (m_isDragging)
     {
         if (m_colLabelWin->HasCapture()) m_colLabelWin->ReleaseMouse();
-        m_isDragging = FALSE;
+        m_isDragging = false;
     }
 
     // ------------ Entering or leaving the window
@@ -5102,14 +5365,14 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     //
     if ( event.LeftDClick() )
     {
-        int col = XToEdgeOfCol(x);
+        col = XToEdgeOfCol(x);
         if ( col < 0 )
         {
             col = XToCol(x);
             if ( col >= 0 &&
                  ! SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event ) )
             {
-		// no default action at the moment
+                // no default action at the moment
             }
         }
         else
@@ -5148,7 +5411,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     {
         col = XToCol(x);
         if ( col >= 0 &&
-	     !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
+             !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
         {
             // no default action at the moment
         }
@@ -5161,7 +5424,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     {
         col = XToCol(x);
         if ( col >= 0 &&
-	     !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
+             !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
         {
             // no default action at the moment
         }
@@ -5179,12 +5442,12 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
             {
                 // don't capture the cursor yet
                 if ( CanDragColSize() )
-                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, FALSE);
+                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, false);
             }
         }
         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
         {
-            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, FALSE);
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, false);
         }
     }
 }
@@ -5301,6 +5564,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     XYToCell( x, y, coords );
 
     int cell_rows, cell_cols;
+    bool isFirstDrag = !m_isDragging;
     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
     if ((cell_rows < 0) || (cell_cols < 0))
     {
@@ -5312,7 +5576,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     {
         //wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
 
-        // Don't start doing anything until the mouse has been drug at
+        // Don't start doing anything until the mouse has been dragged at
         // least 3 pixels in any direction...
         if (! m_isDragging)
         {
@@ -5325,11 +5589,11 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                 return;
         }
 
-        m_isDragging = TRUE;
+        m_isDragging = true;
         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
         {
             // Hide the edit control, so it
-            // won't interfer with drag-shrinking.
+            // won't interfere with drag-shrinking.
             if ( IsCellEditControlShown() )
             {
                 HideCellEditControl();
@@ -5351,6 +5615,19 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                         m_selectingKeyboard = coords;
                     HighlightBlock ( m_selectingKeyboard, coords );
                 }
+                else if ( CanDragCell() )
+                {
+                    if ( isFirstDrag )
+                    {
+                        if ( m_selectingKeyboard == wxGridNoCellCoords)
+                            m_selectingKeyboard = coords;
+
+                        SendEvent( wxEVT_GRID_CELL_BEGIN_DRAG,
+                                   coords.GetRow(),
+                                   coords.GetCol(),
+                                   event );
+                    }
+                }
                 else
                 {
                     if ( !IsSelection() )
@@ -5411,7 +5688,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
         return;
     }
 
-    m_isDragging = FALSE;
+    m_isDragging = false;
     m_startDragPos = wxDefaultPosition;
 
     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
@@ -5498,11 +5775,17 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
 
         if ( XToEdgeOfCol(x) < 0  &&  YToEdgeOfRow(y) < 0 )
         {
-            SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
-                       coords.GetRow(),
-                       coords.GetCol(),
-                       event );
+            if ( !SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
+                             coords.GetRow(),
+                             coords.GetCol(),
+                             event ) )
+            {
+                // we want double click to select a cell and start editing
+                // (i.e. to behave in same way as sequence of two slow clicks):
+                m_waitForSlowClick = true;
+            }
         }
+
     }
 
 
@@ -5529,7 +5812,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                 editor->DecRef();
                 attr->DecRef();
 
-                m_waitForSlowClick = FALSE;
+                m_waitForSlowClick = false;
             }
             else if ( m_selectingTopLeft != wxGridNoCellCoords &&
                  m_selectingBottomRight != wxGridNoCellCoords )
@@ -5612,7 +5895,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     //
     else if ( event.Moving() && !event.IsButton() )
     {
-        if( coords.GetRow() < 0 || coords.GetCol() < 0 )
+        if ( coords.GetRow() < 0 || coords.GetCol() < 0 )
         {
             // out of grid cell area
             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
@@ -5625,7 +5908,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
         // Dragging on the corner of a cell to resize in both
         // directions is not implemented yet...
         //
-        if ( dragRow >= 0  &&  dragCol >= 0 )
+        if ( dragRow >= 0 && dragCol >= 0 )
         {
             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
             return;
@@ -5640,16 +5923,8 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                 if ( CanDragRowSize() && CanDragGridSize() )
                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
             }
-
-            if ( dragCol >= 0 )
-            {
-                m_dragRowOrCol = dragCol;
-            }
-
-            return;
         }
-
-        if ( dragCol >= 0 )
+        else if ( dragCol >= 0 )
         {
             m_dragRowOrCol = dragCol;
 
@@ -5658,15 +5933,13 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                 if ( CanDragColSize() && CanDragGridSize() )
                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
             }
-
-            return;
         }
-
-        // Neither on a row or col edge
-        //
-        if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
+        else // Neither on a row or col edge
         {
-            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+            if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
+            {
+                ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+            }
         }
     }
 }
@@ -5701,7 +5974,7 @@ void wxGrid::DoEndDragResizeRow()
             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
             rect.width = m_rowLabelWidth;
             rect.height = ch - rect.y;
-            m_rowLabelWin->Refresh( TRUE, &rect );
+            m_rowLabelWin->Refresh( true, &rect );
             rect.width = cw;
             // if there is a multicell block, paint all of it
             if (m_table)
@@ -5722,7 +5995,7 @@ void wxGrid::DoEndDragResizeRow()
                     rect.height = ch - rect.y;
                 }
             }
-            m_gridWin->Refresh( FALSE, &rect );
+            m_gridWin->Refresh( false, &rect );
         }
 
         ShowCellEditControl();
@@ -5760,7 +6033,7 @@ void wxGrid::DoEndDragResizeCol()
             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
             rect.width = cw - rect.x;
             rect.height = m_colLabelHeight;
-            m_colLabelWin->Refresh( TRUE, &rect );
+            m_colLabelWin->Refresh( true, &rect );
             rect.height = ch;
             // if there is a multicell block, paint all of it
             if (m_table)
@@ -5781,7 +6054,7 @@ void wxGrid::DoEndDragResizeCol()
                     rect.width = cw - rect.x;
                 }
             }
-            m_gridWin->Refresh( FALSE, &rect );
+            m_gridWin->Refresh( false, &rect );
         }
 
         ShowCellEditControl();
@@ -5812,7 +6085,7 @@ bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
             return Redimension( msg );
 
         default:
-            return FALSE;
+            return false;
     }
 }
 
@@ -5843,7 +6116,7 @@ bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
     if ( m_table )
@@ -5857,7 +6130,7 @@ bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
         // the table will have sent the results of the insert row
         // operation to this view object as a grid table message
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -5868,7 +6141,7 @@ bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
     if ( m_table )
@@ -5878,7 +6151,7 @@ bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
         // the table will have sent the results of the append row
         // operation to this view object as a grid table message
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -5889,7 +6162,7 @@ bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
     if ( m_table )
@@ -5902,7 +6175,7 @@ bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
         // the table will have sent the results of the delete row
         // operation to this view object as a grid table message
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -5913,7 +6186,7 @@ bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
     if ( m_table )
@@ -5926,7 +6199,7 @@ bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
         // the table will have sent the results of the insert col
         // operation to this view object as a grid table message
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -5937,7 +6210,7 @@ bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
     if ( m_table )
@@ -5947,7 +6220,7 @@ bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
         // the table will have sent the results of the append col
         // operation to this view object as a grid table message
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -5958,7 +6231,7 @@ bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
     if ( m_table )
@@ -5971,7 +6244,7 @@ bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
         // the table will have sent the results of the delete col
         // operation to this view object as a grid table message
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -6016,7 +6289,7 @@ int wxGrid::SendEvent( const wxEventType type,
                this,
                m_selectingTopLeft,
                m_selectingBottomRight,
-               TRUE,
+               true,
                mouseEv.ControlDown(),
                mouseEv.ShiftDown(),
                mouseEv.AltDown(),
@@ -6033,7 +6306,7 @@ int wxGrid::SendEvent( const wxEventType type,
                row, col,
                mouseEv.GetX() + GetRowLabelSize(),
                mouseEv.GetY() + GetColLabelSize(),
-               FALSE,
+               false,
                mouseEv.ControlDown(),
                mouseEv.ShiftDown(),
                mouseEv.AltDown(),
@@ -6043,7 +6316,9 @@ int wxGrid::SendEvent( const wxEventType type,
    }
 
    // A Veto'd event may not be `claimed' so test this first
-   if (vetoed) return -1;
+   if (vetoed)
+       return -1;
+
    return claimed ? 1 : 0;
 }
 
@@ -6081,11 +6356,12 @@ int wxGrid::SendEvent( const wxEventType type,
      }
 
     // A Veto'd event may not be `claimed' so test this first
-    if (vetoed) return -1;
+    if (vetoed)
+        return -1;
+
     return claimed ? 1 : 0;
 }
 
-
 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
 {
     wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW
@@ -6098,7 +6374,7 @@ void wxGrid::Refresh(bool eraseb, const wxRect* rect)
     if (! GetBatchCount())
     {
         // Refresh to get correct scrolled position:
-        wxScrolledWindow::Refresh(eraseb,rect);
+        wxScrolledWindow::Refresh(eraseb, rect);
 
         if (rect)
         {
@@ -6113,7 +6389,8 @@ void wxGrid::Refresh(bool eraseb, const wxRect* rect)
             rectHeight = rect->GetHeight();
 
             width_label = m_rowLabelWidth - rect_x;
-            if (width_label > rectWidth) width_label = rectWidth;
+            if (width_label > rectWidth)
+                width_label = rectWidth;
 
             height_label = m_colLabelHeight - rect_y;
             if (height_label > rectHeight) height_label = rectHeight;
@@ -6198,7 +6475,7 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
     }
 
-    m_inOnKeyDown = TRUE;
+    m_inOnKeyDown = true;
 
     // propagate the event up and see if it gets processed
     //
@@ -6272,8 +6549,7 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                     else
                     {
                         // at the bottom of a column
-                        HideCellEditControl();
-                        SaveEditControlValue();
+                        DisableCellEditControl();
                     }
                 }
                 break;
@@ -6287,26 +6563,24 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                 {
                     if ( GetGridCursorCol() > 0 )
                     {
-                        MoveCursorLeft( FALSE );
+                        MoveCursorLeft( false );
                     }
                     else
                     {
                         // at left of grid
-                        HideCellEditControl();
-                        SaveEditControlValue();
+                        DisableCellEditControl();
                     }
                 }
                 else
                 {
                     if ( GetGridCursorCol() < GetNumberCols()-1 )
                     {
-                        MoveCursorRight( FALSE );
+                        MoveCursorRight( false );
                     }
                     else
                     {
                         // at right of grid
-                        HideCellEditControl();
-                        SaveEditControlValue();
+                        DisableCellEditControl();
                     }
                 }
                 break;
@@ -6359,55 +6633,18 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                 }
                 if ( !IsEditable() )
                 {
-                    MoveCursorRight( FALSE );
+                    MoveCursorRight( false );
                     break;
                 }
                 // Otherwise fall through to default
 
             default:
-                // is it possible to edit the current cell at all?
-                if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
-                {
-                    // yes, now check whether the cells editor accepts the key
-                    int row = m_currentCellCoords.GetRow();
-                    int col = m_currentCellCoords.GetCol();
-                    wxGridCellAttr* attr = GetCellAttr(row, col);
-                    wxGridCellEditor *editor = attr->GetEditor(this, row, col);
-
-                    // <F2> is special and will always start editing, for
-                    // other keys - ask the editor itself
-                    if ( (event.GetKeyCode() == WXK_F2 && !event.HasModifiers())
-                         || editor->IsAcceptedKey(event) )
-                    {
-                        // ensure cell is visble
-                        MakeCellVisible(row, col);
-                        EnableCellEditControl();
-
-                        // a problem can arise if the cell is not completely
-                        // visible (even after calling MakeCellVisible the
-                        // control is not created and calling StartingKey will
-                        // crash the app
-                        if( editor->IsCreated() && m_cellEditCtrlEnabled ) editor->StartingKey(event);
-                    }
-                    else
-                    {
-                        event.Skip();
-                    }
-
-                    editor->DecRef();
-                    attr->DecRef();
-                }
-                else
-                {
-                    // let others process char events with modifiers or all
-                    // char events for readonly cells
-                    event.Skip();
-                }
+                event.Skip();
                 break;
         }
     }
 
-    m_inOnKeyDown = FALSE;
+    m_inOnKeyDown = false;
 }
 
 void wxGrid::OnKeyUp( wxKeyEvent& event )
@@ -6426,7 +6663,7 @@ void wxGrid::OnKeyUp( wxKeyEvent& event )
                                           m_selectingBottomRight.GetRow(),
                                           m_selectingBottomRight.GetCol(),
                                           event.ControlDown(),
-                                          TRUE,
+                                          true,
                                           event.AltDown(),
                                           event.MetaDown() );
             }
@@ -6438,6 +6675,48 @@ void wxGrid::OnKeyUp( wxKeyEvent& event )
     }
 }
 
+void wxGrid::OnChar( wxKeyEvent& event )
+{
+    // is it possible to edit the current cell at all?
+    if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
+    {
+        // yes, now check whether the cells editor accepts the key
+        int row = m_currentCellCoords.GetRow();
+        int col = m_currentCellCoords.GetCol();
+        wxGridCellAttr* attr = GetCellAttr(row, col);
+        wxGridCellEditor *editor = attr->GetEditor(this, row, col);
+
+        // <F2> is special and will always start editing, for
+        // other keys - ask the editor itself
+        if ( (event.GetKeyCode() == WXK_F2 && !event.HasModifiers())
+             || editor->IsAcceptedKey(event) )
+        {
+            // ensure cell is visble
+            MakeCellVisible(row, col);
+            EnableCellEditControl();
+
+            // a problem can arise if the cell is not completely
+            // visible (even after calling MakeCellVisible the
+            // control is not created and calling StartingKey will
+            // crash the app
+            if ( event.GetKeyCode() != WXK_F2 && editor->IsCreated() && m_cellEditCtrlEnabled )
+                editor->StartingKey(event);
+        }
+        else
+        {
+            event.Skip();
+        }
+
+        editor->DecRef();
+        attr->DecRef();
+    }
+    else
+    {
+        event.Skip();
+    }
+}
+
+
 void wxGrid::OnEraseBackground(wxEraseEvent&)
 {
 }
@@ -6455,10 +6734,9 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
 
     if ( m_currentCellCoords != wxGridNoCellCoords )
     {
-        HideCellEditControl();
         DisableCellEditControl();
 
-        if ( IsVisible( m_currentCellCoords, FALSE ) )
+        if ( IsVisible( m_currentCellCoords, false ) )
         {
             wxRect r;
             r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
@@ -6531,7 +6809,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         wxRect rect;
         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
                                   wxGridCellCoords ( bottomRow, rightCol ) );
-        m_gridWin->Refresh( FALSE, &rect );
+        m_gridWin->Refresh( false, &rect );
     }
     // Now handle changing an existing selection area.
     else if ( m_selectingTopLeft != updateTopLeft ||
@@ -6545,7 +6823,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         need_refresh[0] =
         need_refresh[1] =
         need_refresh[2] =
-        need_refresh[3] = FALSE;
+        need_refresh[3] = false;
         int     i;
 
         // Store intermediate values
@@ -6588,7 +6866,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         {
             // Refresh the newly selected or deselected
             // area to the left of the old or new selection.
-            need_refresh[0] = TRUE;
+            need_refresh[0] = true;
             rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
                                                             oldLeft ),
                                          wxGridCellCoords ( oldBottom,
@@ -6599,7 +6877,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         {
             // Refresh the newly selected or deselected
             // area above the old or new selection.
-            need_refresh[1] = TRUE;
+            need_refresh[1] = true;
             rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
                                                             leftCol ),
                                          wxGridCellCoords ( topRow - 1,
@@ -6610,7 +6888,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         {
             // Refresh the newly selected or deselected
             // area to the right of the old or new selection.
-            need_refresh[2] = TRUE;
+            need_refresh[2] = true;
             rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
                                                             rightCol + 1 ),
                                          wxGridCellCoords ( oldBottom,
@@ -6621,7 +6899,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         {
             // Refresh the newly selected or deselected
             // area below the old or new selection.
-            need_refresh[3] = TRUE;
+            need_refresh[3] = true;
             rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
                                                             leftCol ),
                                          wxGridCellCoords ( oldBottom,
@@ -6631,7 +6909,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         // various Refresh() calls
         for (i = 0; i < 4; i++ )
             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
-                m_gridWin->Refresh( FALSE, &(rect[i]) );
+                m_gridWin->Refresh( false, &(rect[i]) );
     }
     // Change Selection
     m_selectingTopLeft = updateTopLeft;
@@ -6652,10 +6930,10 @@ bool wxGrid::GetModelValues()
         // all we need to do is repaint the grid
         //
         m_gridWin->Refresh();
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -6678,10 +6956,10 @@ bool wxGrid::SetModelValues()
             }
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -6692,7 +6970,8 @@ bool wxGrid::SetModelValues()
 //
 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
 {
-    if ( !m_numRows || !m_numCols ) return;
+    if ( !m_numRows || !m_numCols )
+        return;
 
     int i, numCells = cells.GetCount();
     int row, col, cell_rows, cell_cols;
@@ -6708,12 +6987,12 @@ void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
         if ( cell_rows <= 0 || cell_cols <= 0 )
         {
             wxGridCellCoords cell(row+cell_rows, col+cell_cols);
-            bool marked = FALSE;
+            bool marked = false;
             for ( int j = 0;  j < numCells;  j++ )
             {
                 if ( cell == cells[j] )
                 {
-                    marked = TRUE;
+                    marked = true;
                     break;
                 }
             }
@@ -6724,11 +7003,12 @@ void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
                 {
                     if ( cell == redrawCells[j] )
                     {
-                        marked = TRUE;
+                        marked = true;
                         break;
                     }
                 }
-                if (!marked) redrawCells.Add( cell );
+                if (!marked)
+                    redrawCells.Add( cell );
             }
             continue; // don't bother drawing this cell
         }
@@ -6743,9 +7023,10 @@ void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
                 for (int k = 0; k < int(redrawCells.GetCount()); k++)
                     if ((redrawCells[k].GetCol() < left) &&
                         (redrawCells[k].GetRow() == row))
-                        left=redrawCells[k].GetCol();
+                        left = redrawCells[k].GetCol();
 
-                if (left == col) left = 0; // oh well
+                if (left == col)
+                    left = 0; // oh well
 
                 for (int j = col-1; j >= left; j--)
                 {
@@ -6754,16 +7035,17 @@ void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
                         if (GetCellOverflow(row+l, j))
                         {
                             wxGridCellCoords cell(row+l, j);
-                            bool marked = FALSE;
+                            bool marked = false;
 
                             for (int k = 0; k < numCells; k++)
                             {
                                 if ( cell == cells[k] )
                                 {
-                                    marked = TRUE;
+                                    marked = true;
                                     break;
                                 }
                             }
+
                             if (!marked)
                             {
                                 int count = redrawCells.GetCount();
@@ -6771,11 +7053,12 @@ void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
                                 {
                                     if ( cell == redrawCells[k] )
                                     {
-                                        marked = TRUE;
+                                        marked = true;
                                         break;
                                     }
                                 }
-                                if (!marked) redrawCells.Add( cell );
+                                if (!marked)
+                                    redrawCells.Add( cell );
                             }
                         }
                         break;
@@ -6783,6 +7066,7 @@ void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
                 }
             }
         }
+
         DrawCell( dc, cells[i] );
     }
 
@@ -6851,9 +7135,15 @@ void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
     // Note: However, only if it is really _shown_, i.e. not hidden!
     if ( isCurrent && IsCellEditControlShown() )
     {
+        // OSAF NB: this "#if..." is temporary and fixes a problem where the
+        // edit control is erased by this code after being rendered.
+        // On wxMac (QD build only), the cell editor is a wxTextCntl and is rendered
+        // implicitly, causing this out-of order render.
+#if !defined(__WXMAC__) || wxMAC_USE_CORE_GRAPHICS
         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
         editor->PaintBackground(rect, attr);
         editor->DecRef();
+#endif
     }
     else
     {
@@ -6890,16 +7180,16 @@ void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
         // reduce the size of the rectangle to compensate for the thickness of
         // the line.  If this is too strange on non wxMSW platforms then
         // please #ifdef this appropriately.
-        rect.x += penWidth/2;
-        rect.y += penWidth/2;
-        rect.width -= penWidth-1;
-        rect.height -= penWidth-1;
+        rect.x += penWidth / 2;
+        rect.y += penWidth / 2;
+        rect.width -= penWidth - 1;
+        rect.height -= penWidth - 1;
 
 
         // Now draw the rectangle
         // use the cellHighlightColour if the cell is inside a selection, this
         // will ensure the cell is always visible.
-        dc.SetPen(wxPen(IsInSelection(row,col)?m_selectionForeground:m_cellHighlightColour, penWidth, wxSOLID));
+        dc.SetPen(wxPen(IsInSelection(row,col) ? m_selectionForeground : m_cellHighlightColour, penWidth, wxSOLID));
         dc.SetBrush(*wxTRANSPARENT_BRUSH);
         dc.DrawRectangle(rect);
     }
@@ -6910,8 +7200,8 @@ void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
         // how to properly set colours for arbitrary bg?
         wxCoord x1 = rect.x,
                 y1 = rect.y,
-                x2 = rect.x + rect.width -1,
-                y2 = rect.y + rect.height -1;
+                x2 = rect.x + rect.width - 1,
+                y2 = rect.y + rect.height - 1;
 
         dc.SetPen(*wxWHITE_PEN);
         dc.DrawLine(x1, y1, x2, y1);
@@ -6994,7 +7284,8 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
 
     if ( !m_gridLinesEnabled ||
          !m_numRows ||
-         !m_numCols ) return;
+         !m_numCols )
+         return;
 
     int top, bottom, left, right;
 
@@ -7033,8 +7324,10 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
     int topRow    = internalYToRow(top);
     int rightCol  = internalXToCol(right);
     int bottomRow = internalYToRow(bottom);
-    wxRegion clippedcells(0, 0, cw, ch);
 
+#ifndef __WXMAC__
+    // CS: I don't know why suddenly unscrolled coordinates are used for clipping
+    wxRegion clippedcells(0, 0, cw, ch);
 
     int i, j, cell_rows, cell_cols;
     wxRect rect;
@@ -7058,6 +7351,30 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
             }
         }
     }
+#else
+    wxRegion clippedcells( left , top, right - left, bottom - top);
+
+    int i, j, cell_rows, cell_cols;
+    wxRect rect;
+
+    for (j=topRow; j<bottomRow; j++)
+    {
+        for (i=leftCol; i<rightCol; i++)
+        {
+            GetCellSize( j, i, &cell_rows, &cell_cols );
+            if ((cell_rows > 1) || (cell_cols > 1))
+            {
+                rect = CellToRect(j,i);
+                clippedcells.Subtract(rect);
+            }
+            else if ((cell_rows < 0) || (cell_cols < 0))
+            {
+                rect = CellToRect(j+cell_rows, i+cell_cols);
+                clippedcells.Subtract(rect);
+            }
+        }
+    }
+#endif
     dc.SetClippingRegion( clippedcells );
 
     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
@@ -7080,7 +7397,6 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
         }
     }
 
-
     // vertical grid lines
     //
     for ( i = internalXToCol(left); i < m_numCols; i++ )
@@ -7099,10 +7415,10 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
     dc.DestroyClippingRegion();
 }
 
-
 void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
 {
-    if ( !m_numRows ) return;
+    if ( !m_numRows )
+        return;
 
     size_t i;
     size_t numLabels = rows.GetCount();
@@ -7113,12 +7429,24 @@ void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
     }
 }
 
-
 void wxGrid::DrawRowLabel( wxDC& dc, int row )
 {
-    if ( GetRowHeight(row) <= 0 )
+    if ( GetRowHeight(row) <= 0 || m_rowLabelWidth <= 0 )
         return;
 
+    wxRect rect;
+#ifdef __WXGTK20__
+    rect.SetX( 1 );
+    rect.SetY( GetRowTop(row) + 1 );
+    rect.SetWidth( m_rowLabelWidth - 2 );
+    rect.SetHeight( GetRowHeight(row) - 2 );
+
+    CalcScrolledPosition( 0, rect.y, NULL, &rect.y );
+
+    wxWindowDC *win_dc = (wxWindowDC*) &dc;
+
+    wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
+#else
     int rowTop = GetRowTop(row),
         rowBottom = GetRowBottom(row) - 1;
 
@@ -7133,7 +7461,7 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row )
     dc.SetPen( *wxWHITE_PEN );
     dc.DrawLine( 1, rowTop, 1, rowBottom );
     dc.DrawLine( 1, rowTop, m_rowLabelWidth-1, rowTop );
-
+#endif
     dc.SetBackgroundMode( wxTRANSPARENT );
     dc.SetTextForeground( GetLabelTextColour() );
     dc.SetFont( GetLabelFont() );
@@ -7141,7 +7469,6 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row )
     int hAlign, vAlign;
     GetRowLabelAlignment( &hAlign, &vAlign );
 
-    wxRect rect;
     rect.SetX( 2 );
     rect.SetY( GetRowTop(row) + 2 );
     rect.SetWidth( m_rowLabelWidth - 4 );
@@ -7149,10 +7476,10 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row )
     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
 }
 
-
 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
 {
-    if ( !m_numCols ) return;
+    if ( !m_numCols )
+        return;
 
     size_t i;
     size_t numLabels = cols.GetCount();
@@ -7163,14 +7490,25 @@ void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
     }
 }
 
-
 void wxGrid::DrawColLabel( wxDC& dc, int col )
 {
-    if ( GetColWidth(col) <= 0 )
+    if ( GetColWidth(col) <= 0 || m_colLabelHeight <= 0 )
         return;
 
-    int colLeft = GetColLeft(col),
-        colRight = GetColRight(col) - 1;
+    int colLeft = GetColLeft(col);
+
+    wxRect rect;
+#ifdef __WXGTK20__
+    rect.SetX( colLeft + 1 );
+    rect.SetY( 1 );
+    rect.SetWidth( GetColWidth(col) - 2 );
+    rect.SetHeight( m_colLabelHeight - 2 );
+
+    wxWindowDC *win_dc = (wxWindowDC*) &dc;
+
+    wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
+#else
+    int colRight = GetColRight(col) - 1;
 
     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
     dc.DrawLine( colRight, 0,
@@ -7184,7 +7522,7 @@ void wxGrid::DrawColLabel( wxDC& dc, int col )
     dc.SetPen( *wxWHITE_PEN );
     dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight-1 );
     dc.DrawLine( colLeft, 1, colRight, 1 );
-
+#endif
     dc.SetBackgroundMode( wxTRANSPARENT );
     dc.SetTextForeground( GetLabelTextColour() );
     dc.SetFont( GetLabelFont() );
@@ -7193,7 +7531,6 @@ void wxGrid::DrawColLabel( wxDC& dc, int col )
     GetColLabelAlignment( &hAlign, &vAlign );
     orient = GetColLabelTextOrientation();
 
-    wxRect rect;
     rect.SetX( colLeft + 2 );
     rect.SetY( 2 );
     rect.SetWidth( GetColWidth(col) - 4 );
@@ -7212,7 +7549,6 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
 
     StringToLines( value, lines );
 
-
     //Forward to new API.
     DrawTextRectangle(  dc,
         lines,
@@ -7230,34 +7566,34 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
                                int vertAlign,
                                int textOrientation )
 {
-    long textWidth, textHeight;
-    long lineWidth, lineHeight;
+    long textWidth = 0, textHeight = 0;
+    long lineWidth = 0, lineHeight = 0;
     int nLines;
 
     dc.SetClippingRegion( rect );
 
     nLines = lines.GetCount();
-    if( nLines > 0 )
+    if ( nLines > 0 )
     {
         int l;
         float x = 0.0, y = 0.0;
 
-        if( textOrientation == wxHORIZONTAL )
+        if ( textOrientation == wxHORIZONTAL )
             GetTextBoxSize(dc, lines, &textWidth, &textHeight);
         else
             GetTextBoxSize( dc, lines, &textHeight, &textWidth );
 
-        switch( vertAlign )
+        switch ( vertAlign )
         {
         case wxALIGN_BOTTOM:
-            if( textOrientation == wxHORIZONTAL )
+            if ( textOrientation == wxHORIZONTAL )
                 y = rect.y + (rect.height - textHeight - 1);
             else
                 x = rect.x + rect.width - textWidth;
             break;
 
         case wxALIGN_CENTRE:
-            if( textOrientation == wxHORIZONTAL )
+            if ( textOrientation == wxHORIZONTAL )
                 y = rect.y + ((rect.height - textHeight)/2);
             else
                 x = rect.x + ((rect.width - textWidth)/2);
@@ -7265,7 +7601,7 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
 
         case wxALIGN_TOP:
         default:
-            if( textOrientation == wxHORIZONTAL )
+            if ( textOrientation == wxHORIZONTAL )
                 y = rect.y + 1;
             else
                 x = rect.x + 1;
@@ -7273,21 +7609,21 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
         }
 
         // Align each line of a multi-line label
-        for( l = 0; l < nLines; l++ )
+        for ( l = 0; l < nLines; l++ )
         {
             dc.GetTextExtent(lines[l], &lineWidth, &lineHeight);
 
-            switch( horizAlign )
+            switch ( horizAlign )
             {
             case wxALIGN_RIGHT:
-                if( textOrientation == wxHORIZONTAL )
+                if ( textOrientation == wxHORIZONTAL )
                     x = rect.x + (rect.width - lineWidth - 1);
                 else
                     y = rect.y + lineWidth + 1;
                 break;
 
             case wxALIGN_CENTRE:
-                if( textOrientation == wxHORIZONTAL )
+                if ( textOrientation == wxHORIZONTAL )
                     x = rect.x + ((rect.width - lineWidth)/2);
                 else
                     y = rect.y + rect.height - ((rect.height - lineWidth)/2);
@@ -7295,14 +7631,14 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
 
             case wxALIGN_LEFT:
             default:
-                if( textOrientation == wxHORIZONTAL )
+                if ( textOrientation == wxHORIZONTAL )
                     x = rect.x + 1;
                 else
                     y = rect.y + rect.height - 1;
                 break;
             }
 
-            if( textOrientation == wxHORIZONTAL )
+            if ( textOrientation == wxHORIZONTAL )
             {
                 dc.DrawText( lines[l], (int)x, (int)y );
                 y += lineHeight;
@@ -7314,6 +7650,7 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
             }
         }
     }
+
     dc.DestroyClippingRegion();
 }
 
@@ -7343,8 +7680,9 @@ void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
         {
             lines.Add( value.Mid(startPos, pos) );
         }
-        startPos += pos+1;
+        startPos += pos + 1;
     }
+
     if ( startPos < (int)value.Length() )
     {
         lines.Add( value.Mid( startPos ) );
@@ -7352,13 +7690,13 @@ void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
 }
 
 
-void wxGrid::GetTextBoxSize( wxDC& dc,
+void wxGrid::GetTextBoxSize( const wxDC& dc,
                              const wxArrayString& lines,
                              long *width, long *height )
 {
     long w = 0;
     long h = 0;
-    long lineW, lineH;
+    long lineW = 0, lineH = 0;
 
     size_t i;
     for ( i = 0;  i < lines.GetCount();  i++ )
@@ -7401,32 +7739,39 @@ void wxGrid::ForceRefresh()
     EndBatch();
 }
 
+bool wxGrid::Enable(bool enable)
+{
+    if ( !wxScrolledWindow::Enable(enable) )
+        return false;
+
+    // redraw in the new state
+    m_gridWin->Refresh();
+
+    return true;
+}
+
 
 //
 // ------ Edit control functions
 //
 
-
 void wxGrid::EnableEditing( bool edit )
 {
     // TODO: improve this ?
     //
     if ( edit != m_editable )
     {
-        if(!edit) EnableCellEditControl(edit);
+        if (!edit)
+            EnableCellEditControl(edit);
         m_editable = edit;
     }
 }
 
-
 void wxGrid::EnableCellEditControl( bool enable )
 {
     if (! m_editable)
         return;
 
-    if ( m_currentCellCoords == wxGridNoCellCoords )
-        SetCurrentCell( 0, 0 );
-
     if ( enable != m_cellEditCtrlEnabled )
     {
         if ( enable )
@@ -7471,19 +7816,19 @@ bool wxGrid::CanEnableCellControl() const
 {
     return m_editable && (m_currentCellCoords != wxGridNoCellCoords) &&
         !IsCurrentCellReadOnly();
-        
+
 }
 
 bool wxGrid::IsCellEditControlEnabled() const
 {
     // the cell edit control might be disable for all cells or just for the
     // current one if it's read only
-    return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
+    return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : false;
 }
 
 bool wxGrid::IsCellEditControlShown() const
 {
-    bool isShown = FALSE;
+    bool isShown = false;
 
     if ( m_cellEditCtrlEnabled )
     {
@@ -7511,9 +7856,9 @@ void wxGrid::ShowCellEditControl()
 {
     if ( IsCellEditControlEnabled() )
     {
-        if ( !IsVisible( m_currentCellCoords ) )
+        if ( !IsVisible( m_currentCellCoords, false ) )
         {
-            m_cellEditCtrlEnabled = FALSE;
+            m_cellEditCtrlEnabled = false;
             return;
         }
         else
@@ -7537,6 +7882,10 @@ void wxGrid::ShowCellEditControl()
             //
             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
 
+            int nXMove = 0;
+            if(rect.x < 0)
+                nXMove = rect.x;
+
             // done in PaintBackground()
 #if 0
             // erase the highlight and the cell contents because the editor
@@ -7561,7 +7910,7 @@ void wxGrid::ShowCellEditControl()
             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
             if ( !editor->IsCreated() )
             {
-                editor->Create(m_gridWin, -1,
+                editor->Create(m_gridWin, wxID_ANY,
                                new wxGridCellEditorEvtHandler(this, editor));
 
                 wxGridEditorCreatedEvent evt(GetId(),
@@ -7584,6 +7933,7 @@ void wxGrid::ShowCellEditControl()
                         NULL, NULL, &attr->GetFont());
                 if (maxWidth < rect.width) maxWidth = rect.width;
             }
+
             int client_right = m_gridWin->GetClientSize().GetWidth();
             if (rect.x+maxWidth > client_right)
                 maxWidth = client_right - rect.x;
@@ -7603,13 +7953,27 @@ void wxGrid::ShowCellEditControl()
                     else
                         break;
                 }
+
                 if (rect.GetRight() > client_right)
-                    rect.SetRight(client_right-1);
+                    rect.SetRight(client_right - 1);
             }
 
             editor->SetCellAttr(attr);
             editor->SetSize( rect );
-            editor->Show( TRUE, attr );
+            editor->GetControl()->Move(editor->GetControl()->GetPosition().x + nXMove, editor->GetControl()->GetPosition().y);
+            editor->Show( true, attr );
+
+            int colXPos = 0;
+            for (int i = 0; i < m_currentCellCoords.GetCol(); i++) 
+            {
+                colXPos += GetColSize(i);
+            }
+            int xUnit=1, yUnit=1;
+            GetScrollPixelsPerUnit(&xUnit, &yUnit);
+            if (m_currentCellCoords.GetCol() != 0)
+                Scroll(colXPos/xUnit-1, GetScrollPos(wxVERTICAL));
+            else
+                Scroll(colXPos/xUnit, GetScrollPos(wxVERTICAL));
 
             // recalc dimensions in case we need to
             // expand the scrolled window to account for editor
@@ -7624,7 +7988,6 @@ void wxGrid::ShowCellEditControl()
     }
 }
 
-
 void wxGrid::HideCellEditControl()
 {
     if ( IsCellEditControlEnabled() )
@@ -7634,19 +7997,24 @@ void wxGrid::HideCellEditControl()
 
         wxGridCellAttr* attr = GetCellAttr(row, col);
         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
-        editor->Show( FALSE );
+        editor->Show( false );
         editor->DecRef();
         attr->DecRef();
+
         m_gridWin->SetFocus();
+
         // refresh whole row to the right
         wxRect rect( CellToRect(row, col) );
         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
-        m_gridWin->Refresh( FALSE, &rect );
+#ifdef __WXMAC__
+        // ensure that the pixels under the focus ring get refreshed as well
+        rect.Inflate(10, 10);
+#endif
+        m_gridWin->Refresh( false, &rect );
     }
 }
 
-
 void wxGrid::SaveEditControlValue()
 {
     if ( IsCellEditControlEnabled() )
@@ -7654,7 +8022,7 @@ void wxGrid::SaveEditControlValue()
         int row = m_currentCellCoords.GetRow();
         int col = m_currentCellCoords.GetCol();
 
-        wxString oldval = GetCellValue(row,col);
+        wxString oldval = GetCellValue(row, col);
 
         wxGridCellAttr* attr = GetCellAttr(row, col);
         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
@@ -7667,10 +8035,10 @@ void wxGrid::SaveEditControlValue()
         {
             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
                        m_currentCellCoords.GetRow(),
-                       m_currentCellCoords.GetCol() ) < 0 ) {
-
+                       m_currentCellCoords.GetCol() ) < 0 )
+            {
                 // Event has been vetoed, set the data back.
-                SetCellValue(row,col,oldval);
+                SetCellValue(row, col, oldval);
             }
         }
     }
@@ -7709,11 +8077,9 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
                            const wxArrayInt& BorderArray, int nMax,
                            bool clipToMinMax)
 {
-
     if (coord < 0)
         return clipToMinMax && (nMax > 0) ? 0 : -1;
 
-
     if (!defaultDist)
         defaultDist = 1;
 
@@ -7722,7 +8088,7 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
 
     if (BorderArray.IsEmpty())
     {
-        if((int) i_max < nMax)
+        if ((int) i_max < nMax)
             return i_max;
         return clipToMinMax ? nMax - 1 : -1;
     }
@@ -7739,9 +8105,11 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
             else
                 i_max =  BorderArray.GetCount() - 1;
         }
+
         if ( i_max >= BorderArray.GetCount())
             i_max = BorderArray.GetCount() - 1;
     }
+
     if ( coord >= BorderArray[i_max])
         return clipToMinMax ? (int)i_max : -1;
     if ( coord < BorderArray[0] )
@@ -7761,23 +8129,22 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
         else
             i_min = median;
     }
+
     return i_max;
 }
 
 int wxGrid::YToRow( int y )
 {
     return CoordToRowOrCol(y, m_defaultRowHeight,
-                           m_minAcceptableRowHeight, m_rowBottoms, m_numRows, FALSE);
+                           m_minAcceptableRowHeight, m_rowBottoms, m_numRows, false);
 }
 
-
 int wxGrid::XToCol( int x )
 {
     return CoordToRowOrCol(x, m_defaultColWidth,
-                           m_minAcceptableColWidth, m_colRights, m_numCols, FALSE);
+                           m_minAcceptableColWidth, m_colRights, m_numCols, false);
 }
 
-
 // return the row number that that the y coord is near the edge of, or
 // -1 if not near an edge
 //
@@ -7792,14 +8159,13 @@ int wxGrid::YToEdgeOfRow( int y )
         // close enough to lower or upper border, respectively.
         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
             return i;
-        else if( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
+        else if ( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
             return i - 1;
     }
 
     return -1;
 }
 
-
 // return the col number that that the x coord is near the edge of, or
 // -1 if not near an edge
 //
@@ -7814,14 +8180,13 @@ int wxGrid::XToEdgeOfCol( int x )
         // close enough to right or left border, respectively.
         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
             return i;
-        else if( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
+        else if ( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
             return i - 1;
     }
 
     return -1;
 }
 
-
 wxRect wxGrid::CellToRect( int row, int col )
 {
     wxRect rect( -1, -1, -1, -1 );
@@ -7846,14 +8211,15 @@ wxRect wxGrid::CellToRect( int row, int col )
     }
 
     // if grid lines are enabled, then the area of the cell is a bit smaller
-    if (m_gridLinesEnabled) {
+    if (m_gridLinesEnabled)
+    {
         rect.width -= 1;
         rect.height -= 1;
     }
+
     return rect;
 }
 
-
 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
 {
     // get the cell rectangle in logical coords
@@ -7887,13 +8253,11 @@ bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
     }
 }
 
-
 // make the specified cell location visible by doing a minimal amount
 // of scrolling
 //
 void wxGrid::MakeCellVisible( int row, int col )
 {
-
     int i;
     int xpos = -1, ypos = -1;
 
@@ -7937,10 +8301,14 @@ void wxGrid::MakeCellVisible( int row, int col )
             //
             // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
             // scroll unit...
-            ypos += GRID_SCROLL_LINE_Y;
+            ypos += m_scrollLineY;
         }
 
-        if ( left < 0 )
+        // special handling for wide cells - show always left part of the cell!
+        // Otherwise, e.g. when stepping from row to row, it would jump between 
+        // left and right part of the cell on every step!
+//      if ( left < 0 )
+        if ( left < 0 || (right-left) >= cw )
         {
             xpos = r.GetLeft();
         }
@@ -7952,15 +8320,15 @@ void wxGrid::MakeCellVisible( int row, int col )
             xpos = x0 + (right - cw);
 
             // see comment for ypos above
-            xpos += GRID_SCROLL_LINE_X;
+            xpos += m_scrollLineX;
         }
 
         if ( xpos != -1  ||  ypos != -1 )
         {
             if ( xpos != -1 )
-                xpos /= GRID_SCROLL_LINE_X;
+                xpos /= m_scrollLineX;
             if ( ypos != -1 )
-                ypos /= GRID_SCROLL_LINE_Y;
+                ypos /= m_scrollLineY;
             Scroll( xpos, ypos );
             AdjustScrollbars();
         }
@@ -7991,18 +8359,19 @@ bool wxGrid::MoveCursorUp( bool expandSelection )
         }
         else if ( m_currentCellCoords.GetRow() > 0 )
         {
+            int row = m_currentCellCoords.GetRow() - 1;
+            int col = m_currentCellCoords.GetCol();
             ClearSelection();
-            MakeCellVisible( m_currentCellCoords.GetRow() - 1,
-                             m_currentCellCoords.GetCol() );
-            SetCurrentCell( m_currentCellCoords.GetRow() - 1,
-                            m_currentCellCoords.GetCol() );
+            MakeCellVisible( row, col );
+            SetCurrentCell( row, col );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -8025,21 +8394,21 @@ bool wxGrid::MoveCursorDown( bool expandSelection )
         }
         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
         {
+            int row = m_currentCellCoords.GetRow() + 1;
+            int col = m_currentCellCoords.GetCol();
             ClearSelection();
-            MakeCellVisible( m_currentCellCoords.GetRow() + 1,
-                             m_currentCellCoords.GetCol() );
-            SetCurrentCell( m_currentCellCoords.GetRow() + 1,
-                            m_currentCellCoords.GetCol() );
+            MakeCellVisible( row, col );
+            SetCurrentCell( row, col );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
-
 bool wxGrid::MoveCursorLeft( bool expandSelection )
 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
@@ -8059,21 +8428,21 @@ bool wxGrid::MoveCursorLeft( bool expandSelection )
         }
         else if ( m_currentCellCoords.GetCol() > 0 )
         {
+            int row = m_currentCellCoords.GetRow();
+            int col = m_currentCellCoords.GetCol() - 1;
             ClearSelection();
-            MakeCellVisible( m_currentCellCoords.GetRow(),
-                             m_currentCellCoords.GetCol() - 1 );
-            SetCurrentCell( m_currentCellCoords.GetRow(),
-                            m_currentCellCoords.GetCol() - 1 );
+            MakeCellVisible( row, col );
+            SetCurrentCell( row, col );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
-
 bool wxGrid::MoveCursorRight( bool expandSelection )
 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
@@ -8093,24 +8462,25 @@ bool wxGrid::MoveCursorRight( bool expandSelection )
         }
         else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
         {
+            int row = m_currentCellCoords.GetRow();
+            int col = m_currentCellCoords.GetCol() + 1;
             ClearSelection();
-            MakeCellVisible( m_currentCellCoords.GetRow(),
-                             m_currentCellCoords.GetCol() + 1 );
-            SetCurrentCell( m_currentCellCoords.GetRow(),
-                            m_currentCellCoords.GetCol() + 1 );
+            MakeCellVisible( row, col );
+            SetCurrentCell( row, col );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
-
 bool wxGrid::MovePageUp()
 {
-    if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
+    if ( m_currentCellCoords == wxGridNoCellCoords )
+        return false;
 
     int row = m_currentCellCoords.GetRow();
     if ( row > 0 )
@@ -8123,22 +8493,23 @@ bool wxGrid::MovePageUp()
 
         if ( newRow == row )
         {
-	    //row > 0 , so newrow can never be less than 0 here.
+            //row > 0 , so newrow can never be less than 0 here.
             newRow = row - 1;
         }
 
         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MovePageDown()
 {
-    if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
+    if ( m_currentCellCoords == wxGridNoCellCoords )
+        return false;
 
     int row = m_currentCellCoords.GetRow();
     if ( (row+1) < m_numRows )
@@ -8151,16 +8522,16 @@ bool wxGrid::MovePageDown()
         if ( newRow == row )
         {
             // row < m_numRows , so newrow can't overflow here.
-	    newRow = row + 1;
+            newRow = row + 1;
         }
 
         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
@@ -8180,7 +8551,8 @@ bool wxGrid::MoveCursorUpBlock( bool expandSelection )
             while ( row > 0 )
             {
                 row-- ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else if ( m_table->IsEmptyCell(row-1, col) )
@@ -8191,7 +8563,8 @@ bool wxGrid::MoveCursorUpBlock( bool expandSelection )
             while ( row > 0 )
             {
                 row-- ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else
@@ -8220,10 +8593,11 @@ bool wxGrid::MoveCursorUpBlock( bool expandSelection )
             ClearSelection();
             SetCurrentCell( row, col );
         }
-        return TRUE;
+
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
@@ -8243,7 +8617,8 @@ bool wxGrid::MoveCursorDownBlock( bool expandSelection )
             while ( row < m_numRows-1 )
             {
                 row++ ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else if ( m_table->IsEmptyCell(row+1, col) )
@@ -8254,7 +8629,8 @@ bool wxGrid::MoveCursorDownBlock( bool expandSelection )
             while ( row < m_numRows-1 )
             {
                 row++ ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else
@@ -8284,10 +8660,10 @@ bool wxGrid::MoveCursorDownBlock( bool expandSelection )
             SetCurrentCell( row, col );
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
@@ -8307,7 +8683,8 @@ bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
             while ( col > 0 )
             {
                 col-- ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else if ( m_table->IsEmptyCell(row, col-1) )
@@ -8318,7 +8695,8 @@ bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
             while ( col > 0 )
             {
                 col-- ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else
@@ -8348,10 +8726,10 @@ bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
             SetCurrentCell( row, col );
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
@@ -8371,7 +8749,8 @@ bool wxGrid::MoveCursorRightBlock( bool expandSelection )
             while ( col < m_numCols-1 )
             {
                 col++ ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else if ( m_table->IsEmptyCell(row, col+1) )
@@ -8382,7 +8761,8 @@ bool wxGrid::MoveCursorRightBlock( bool expandSelection )
             while ( col < m_numCols-1 )
             {
                 col++ ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else
@@ -8412,10 +8792,10 @@ bool wxGrid::MoveCursorRightBlock( bool expandSelection )
             SetCurrentCell( row, col );
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -8477,18 +8857,18 @@ void wxGrid::SetRowLabelSize( int width )
     {
         if ( width == 0 )
         {
-            m_rowLabelWin->Show( FALSE );
-            m_cornerLabelWin->Show( FALSE );
+            m_rowLabelWin->Show( false );
+            m_cornerLabelWin->Show( false );
         }
         else if ( m_rowLabelWidth == 0 )
         {
-            m_rowLabelWin->Show( TRUE );
-            if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( TRUE );
+            m_rowLabelWin->Show( true );
+            if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( true );
         }
 
         m_rowLabelWidth = width;
         CalcWindowSizes();
-        wxScrolledWindow::Refresh( TRUE );
+        wxScrolledWindow::Refresh( true );
     }
 }
 
@@ -8500,18 +8880,18 @@ void wxGrid::SetColLabelSize( int height )
     {
         if ( height == 0 )
         {
-            m_colLabelWin->Show( FALSE );
-            m_cornerLabelWin->Show( FALSE );
+            m_colLabelWin->Show( false );
+            m_cornerLabelWin->Show( false );
         }
         else if ( m_colLabelHeight == 0 )
         {
-            m_colLabelWin->Show( TRUE );
-            if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( TRUE );
+            m_colLabelWin->Show( true );
+            if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( true );
         }
 
         m_colLabelHeight = height;
         CalcWindowSizes();
-        wxScrolledWindow::Refresh( TRUE );
+        wxScrolledWindow::Refresh( true );
     }
 }
 
@@ -8623,16 +9003,16 @@ void wxGrid::SetColLabelAlignment( int horiz, int vert )
     }
 }
 
-// Note: 	under MSW, the default column label font must be changed because it
-//				does not support vertical printing
+// Note: under MSW, the default column label font must be changed because it
+//       does not support vertical printing
 //
 // Example: wxFont font(9, wxSWISS, wxNORMAL, wxBOLD);
-//				pGrid->SetLabelFont(font);
-//    		pGrid->SetColLabelTextOrientation(wxVERTICAL);
+//                      pGrid->SetLabelFont(font);
+//                      pGrid->SetColLabelTextOrientation(wxVERTICAL);
 //
 void wxGrid::SetColLabelTextOrientation( int textOrientation )
 {
-    if( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
+    if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
     {
         m_colLabelTextOrientation = textOrientation;
     }
@@ -8656,7 +9036,7 @@ void wxGrid::SetRowLabelValue( int row, const wxString& s )
                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
                 rect.x = 0;
                 rect.width = m_rowLabelWidth;
-                m_rowLabelWin->Refresh( TRUE, &rect );
+                m_rowLabelWin->Refresh( true, &rect );
             }
         }
     }
@@ -8675,7 +9055,7 @@ void wxGrid::SetColLabelValue( int col, const wxString& s )
                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
                 rect.y = 0;
                 rect.height = m_colLabelHeight;
-                m_colLabelWin->Refresh( TRUE, &rect );
+                m_colLabelWin->Refresh( true, &rect );
             }
         }
     }
@@ -8710,7 +9090,8 @@ void wxGrid::SetCellHighlightColour( const wxColour& colour )
 
 void wxGrid::SetCellHighlightPenWidth(int width)
 {
-    if (m_cellHighlightPenWidth != width) {
+    if (m_cellHighlightPenWidth != width)
+    {
         m_cellHighlightPenWidth = width;
 
         // Just redrawing the cell highlight is not enough since that won't
@@ -8720,13 +9101,14 @@ void wxGrid::SetCellHighlightPenWidth(int width)
         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
             return;
         wxRect rect = CellToRect(row, col);
-        m_gridWin->Refresh(TRUE, &rect);
+        m_gridWin->Refresh(true, &rect);
     }
 }
 
 void wxGrid::SetCellHighlightROPenWidth(int width)
 {
-    if (m_cellHighlightROPenWidth != width) {
+    if (m_cellHighlightROPenWidth != width)
+    {
         m_cellHighlightROPenWidth = width;
 
         // Just redrawing the cell highlight is not enough since that won't
@@ -8736,7 +9118,7 @@ void wxGrid::SetCellHighlightROPenWidth(int width)
         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
             return;
         wxRect rect = CellToRect(row, col);
-        m_gridWin->Refresh(TRUE, &rect);
+        m_gridWin->Refresh(true, &rect);
     }
 }
 
@@ -8824,14 +9206,24 @@ void wxGrid::SetDefaultCellFont( const wxFont& font )
     m_defaultCellAttr->SetFont(font);
 }
 
+
+// For editors and renderers the type registry takes precedence over the
+// default attr, so we need to register the new editor/renderer for the string
+// data type in order to make setting a default editor/renderer appear to
+// work correctly.
+
 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
 {
-    m_defaultCellAttr->SetRenderer(renderer);
+    RegisterDataType(wxGRID_VALUE_STRING,
+                     renderer,
+                     GetDefaultEditorForType(wxGRID_VALUE_STRING));
 }
 
 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
 {
-    m_defaultCellAttr->SetEditor(editor);
+    RegisterDataType(wxGRID_VALUE_STRING,
+                     GetDefaultRendererForType(wxGRID_VALUE_STRING),
+                     editor);
 }
 
 // ----------------------------------------------------------------------------
@@ -8870,7 +9262,7 @@ wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
 
 wxGridCellEditor *wxGrid::GetDefaultEditor() const
 {
-    return m_defaultCellAttr->GetEditor(NULL,0,0);
+    return m_defaultCellAttr->GetEditor(NULL, 0, 0);
 }
 
 // ----------------------------------------------------------------------------
@@ -8913,6 +9305,7 @@ bool wxGrid::GetCellOverflow( int row, int col )
     wxGridCellAttr *attr = GetCellAttr(row, col);
     bool allow = attr->GetOverflow();
     attr->DecRef();
+
     return allow;
 }
 
@@ -8946,6 +9339,7 @@ bool wxGrid::IsReadOnly(int row, int col) const
     wxGridCellAttr* attr = GetCellAttr(row, col);
     bool isReadOnly = attr->IsReadOnly();
     attr->DecRef();
+
     return isReadOnly;
 }
 
@@ -8957,7 +9351,7 @@ bool wxGrid::CanHaveAttributes()
 {
     if ( !m_table )
     {
-        return FALSE;
+        return false;
     }
 
     return m_table->CanHaveAttributes();
@@ -8998,14 +9392,15 @@ bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
         gs_nAttrCacheHits++;
 #endif
 
-        return TRUE;
+        return true;
     }
     else
     {
 #ifdef DEBUG_ATTR_CACHE
         gs_nAttrCacheMisses++;
 #endif
-        return FALSE;
+
+        return false;
     }
 }
 
@@ -9023,6 +9418,7 @@ wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
             CacheAttr(row, col, attr);
         }
     }
+
     if (attr)
     {
         attr->SetDefAttr(m_defaultCellAttr);
@@ -9039,9 +9435,10 @@ wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
 {
     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
+    bool canHave = ((wxGrid*)this)->CanHaveAttributes();
 
-    wxCHECK_MSG( m_table, attr,
-                  _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") );
+    wxCHECK_MSG( canHave, attr, _T("Cell attributes not allowed"));
+    wxCHECK_MSG( m_table, attr, _T("must have a table") );
 
     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
     if ( !attr )
@@ -9084,7 +9481,7 @@ void wxGrid::SetColFormatFloat(int col, int width, int precision)
 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
 {
     wxGridCellAttr *attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
-    if(!attr)
+    if (!attr)
         attr = new wxGridCellAttr;
     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
     attr->SetRenderer(renderer);
@@ -9305,7 +9702,10 @@ wxGrid::GetDefaultEditorForType(const wxString& typeName) const
     int index = m_typeRegistry->FindOrCloneDataType(typeName);
     if ( index == wxNOT_FOUND )
     {
-        wxFAIL_MSG(wxT("Unknown data type name"));
+        wxString errStr;
+
+        errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
+        wxFAIL_MSG(errStr.c_str());
 
         return NULL;
     }
@@ -9319,7 +9719,10 @@ wxGrid::GetDefaultRendererForType(const wxString& typeName) const
     int index = m_typeRegistry->FindOrCloneDataType(typeName);
     if ( index == wxNOT_FOUND )
     {
-        wxFAIL_MSG(wxT("Unknown data type name"));
+    wxString errStr;
+
+        errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
+        wxFAIL_MSG(errStr.c_str());
 
         return NULL;
     }
@@ -9327,7 +9730,6 @@ wxGrid::GetDefaultRendererForType(const wxString& typeName) const
     return m_typeRegistry->GetRenderer(index);
 }
 
-
 // ----------------------------------------------------------------------------
 // row/col size
 // ----------------------------------------------------------------------------
@@ -9337,7 +9739,6 @@ void wxGrid::EnableDragRowSize( bool enable )
     m_canDragRowSize = enable;
 }
 
-
 void wxGrid::EnableDragColSize( bool enable )
 {
     m_canDragColSize = enable;
@@ -9348,6 +9749,10 @@ void wxGrid::EnableDragGridSize( bool enable )
     m_canDragGridSize = enable;
 }
 
+void wxGrid::EnableDragCell( bool enable )
+{
+    m_canDragCell = enable;
+}
 
 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
 {
@@ -9371,7 +9776,8 @@ void wxGrid::SetRowSize( int row, int height )
     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
 
     // See comment in SetColSize
-    if ( height < GetRowMinimalAcceptableHeight()) { return; }
+    if ( height < GetRowMinimalAcceptableHeight())
+        return;
 
     if ( m_rowHeights.IsEmpty() )
     {
@@ -9421,7 +9827,8 @@ void wxGrid::SetColSize( int col, int width )
     //
     // This test then fixes sf.net bug #645734
 
-    if ( width < GetColMinimalAcceptableWidth()) { return; }
+    if ( width < GetColMinimalAcceptableWidth() )
+        return;
 
     if ( m_colWidths.IsEmpty() )
     {
@@ -9430,7 +9837,7 @@ void wxGrid::SetColSize( int col, int width )
     }
 
     // if < 0 calc new width from label
-    if( width < 0 )
+    if ( width < 0 )
     {
       long w, h;
       wxArrayString lines;
@@ -9440,6 +9847,7 @@ void wxGrid::SetColSize( int col, int width )
       GetTextBoxSize(dc, lines, &w, &h);
       width = w + 6;
     }
+
     int w = wxMax( 0, width );
     int diff = w - m_colWidths[col];
     m_colWidths[col] = w;
@@ -9449,54 +9857,60 @@ void wxGrid::SetColSize( int col, int width )
     {
         m_colRights[i] += diff;
     }
+
     if ( !GetBatchCount() )
         CalcDimensions();
 }
 
-
 void wxGrid::SetColMinimalWidth( int col, int width )
 {
-    if (width > GetColMinimalAcceptableWidth()) {
-        m_colMinWidths[col] = width;
+    if (width > GetColMinimalAcceptableWidth())
+    {
+        wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
+        m_colMinWidths[key] = width;
     }
 }
 
 void wxGrid::SetRowMinimalHeight( int row, int width )
 {
-    if (width > GetRowMinimalAcceptableHeight()) {
-       m_rowMinHeights[row] = width;
+    if (width > GetRowMinimalAcceptableHeight())
+    {
+        wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
+        m_rowMinHeights[key] = width;
     }
 }
 
 int wxGrid::GetColMinimalWidth(int col) const
 {
-    wxLongToLongHashMap::const_iterator it = m_colMinWidths.find(col);
+    wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
+    wxLongToLongHashMap::const_iterator it = m_colMinWidths.find(key);
+
     return it != m_colMinWidths.end() ? (int)it->second : m_minAcceptableColWidth;
 }
 
 int wxGrid::GetRowMinimalHeight(int row) const
 {
-    wxLongToLongHashMap::const_iterator it = m_rowMinHeights.find(row);
+    wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
+    wxLongToLongHashMap::const_iterator it = m_rowMinHeights.find(key);
+
     return it != m_rowMinHeights.end() ? (int)it->second : m_minAcceptableRowHeight;
 }
 
 void wxGrid::SetColMinimalAcceptableWidth( int width )
 {
     // We do allow a width of 0 since this gives us
-    // an easy way to temporarily hidding columns.
-    if ( width<0 )
-        return;
-    m_minAcceptableColWidth = width;
+    // an easy way to temporarily hiding columns.
+    if ( width >= 0 )
+        m_minAcceptableColWidth = width;
 }
 
 void wxGrid::SetRowMinimalAcceptableHeight( int height )
 {
     // We do allow a height of 0 since this gives us
-    // an easy way to temporarily hidding rows.
-    if ( height<0 )
-        return;
-    m_minAcceptableRowHeight = height;
-};
+    // an easy way to temporarily hiding rows.
+    if ( height >= 0 )
+        m_minAcceptableRowHeight = height;
+}
 
 int  wxGrid::GetColMinimalAcceptableWidth() const
 {
@@ -9516,7 +9930,11 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
 {
     wxClientDC dc(m_gridWin);
 
-    // init both of them to avoid compiler warnings, even if weo nly need one
+    // cancel editing of cell
+    HideCellEditControl();
+    SaveEditControlValue();
+
+    // init both of them to avoid compiler warnings, even if we only need one
     int row = -1,
         col = -1;
     if ( column )
@@ -9557,7 +9975,7 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
     if ( column )
     {
         dc.GetTextExtent( GetColLabelValue(col), &w, &h );
-        if( GetColLabelTextOrientation() == wxVERTICAL )
+        if ( GetColLabelTextOrientation() == wxVERTICAL )
             w = h;
     }
     else
@@ -9578,19 +9996,15 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
     else
     {
         if ( column )
-        {
             // leave some space around text
             extentMax += 10;
-        }
         else
-        {
             extentMax += 6;
-        }
     }
 
     if ( column )
     {
-        SetColSize(col, extentMax);
+        SetColSize( col, extentMax );
         if ( !GetBatchCount() )
         {
             int cw, ch, dummy;
@@ -9600,7 +10014,7 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
             rect.width = cw - rect.x;
             rect.height = m_colLabelHeight;
-            m_colLabelWin->Refresh( TRUE, &rect );
+            m_colLabelWin->Refresh( true, &rect );
         }
     }
     else
@@ -9615,7 +10029,7 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
             rect.width = m_rowLabelWidth;
             rect.height = ch - rect.y;
-            m_rowLabelWin->Refresh( TRUE, &rect );
+            m_rowLabelWin->Refresh( true, &rect );
         }
     }
     if ( setAsMin )
@@ -9660,9 +10074,7 @@ int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
     for ( int row = 0; row < m_numRows; row++ )
     {
         if ( !calcOnly )
-        {
             AutoSizeRow(row, setAsMin);
-        }
 
         height += GetRowHeight(row);
     }
@@ -9677,14 +10089,14 @@ void wxGrid::AutoSize()
 {
     BeginBatch();
 
-    wxSize size(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE));
+    wxSize size(SetOrCalcColumnSizes(false), SetOrCalcRowSizes(false));
 
     // round up the size to a multiple of scroll step - this ensures that we
     // won't get the scrollbars if we're sized exactly to this width
     // CalcDimension adds m_extraWidth + 1 etc. to calculate the necessary
     // scrollbar steps
-    wxSize sizeFit(GetScrollX(size.x + m_extraWidth + 1) * GRID_SCROLL_LINE_X,
-                   GetScrollY(size.y + m_extraHeight + 1) * GRID_SCROLL_LINE_Y);
+    wxSize sizeFit(GetScrollX(size.x + m_extraWidth + 1) * m_scrollLineX,
+                   GetScrollY(size.y + m_extraHeight + 1) * m_scrollLineY);
 
     // distribute the extra space between the columns/rows to avoid having
     // extra white space
@@ -9750,8 +10162,8 @@ void wxGrid::AutoSizeRowLabelSize( int row )
     long w, h;
 
     // Hide the edit control, so it
-    // won't interfer with drag-shrinking.
-    if( IsCellEditControlShown() )
+    // won't interfere with drag-shrinking.
+    if ( IsCellEditControlShown() )
     {
         HideCellEditControl();
         SaveEditControlValue();
@@ -9761,7 +10173,7 @@ void wxGrid::AutoSizeRowLabelSize( int row )
     StringToLines( GetRowLabelValue( row ), lines );
     wxClientDC dc( m_rowLabelWin );
     GetTextBoxSize( dc, lines, &w, &h);
-    if( h < m_defaultRowHeight )
+    if ( h < m_defaultRowHeight )
         h = m_defaultRowHeight;
     SetRowSize(row, h);
     ForceRefresh();
@@ -9774,7 +10186,7 @@ void wxGrid::AutoSizeColLabelSize( int col )
 
     // Hide the edit control, so it
     // won't interfer with drag-shrinking.
-    if( IsCellEditControlShown() )
+    if ( IsCellEditControlShown() )
     {
         HideCellEditControl();
         SaveEditControlValue();
@@ -9783,11 +10195,11 @@ void wxGrid::AutoSizeColLabelSize( int col )
     // autosize column width depending on label text
     StringToLines( GetColLabelValue( col ), lines );
     wxClientDC dc( m_colLabelWin );
-    if( GetColLabelTextOrientation() == wxHORIZONTAL )
+    if ( GetColLabelTextOrientation() == wxHORIZONTAL )
         GetTextBoxSize( dc, lines, &w, &h);
     else
         GetTextBoxSize( dc, lines, &h, &w);
-    if( w < m_defaultColWidth )
+    if ( w < m_defaultColWidth )
         w = m_defaultColWidth;
     SetColSize(col, w);
     ForceRefresh();
@@ -9799,16 +10211,42 @@ wxSize wxGrid::DoGetBestSize() const
     wxGrid *self = (wxGrid *)this;  // const_cast
 
     int width, height;
-    width = self->SetOrCalcColumnSizes(TRUE);
-    height = self->SetOrCalcRowSizes(TRUE);
-
+    width = self->SetOrCalcColumnSizes(true);
+    height = self->SetOrCalcRowSizes(true);
+
+    if (!width)
+        width = 100;
+    if (!height)
+        height = 80;
+
+    // Round up to a multiple the scroll rate
+    // NOTE: this still doesn't get rid  of the scrollbars;
+    // is there any magic incantation for that?
+    int xpu, ypu;
+    GetScrollPixelsPerUnit(&xpu, &ypu);
+    if (xpu)
+        width  += 1 + xpu - (width  % xpu);
+    if (ypu)
+        height += 1 + ypu - (height % ypu);
+
+    // limit to 1/4 of the screen size
     int maxwidth, maxheight;
-    wxDisplaySize( & maxwidth, & maxheight );
+    wxDisplaySize( &maxwidth, &maxheight );
+    maxwidth /= 2;
+    maxheight /= 2;
+    if ( width > maxwidth )
+        width = maxwidth;
+    if ( height > maxheight )
+        height = maxheight;
 
-    if ( width > maxwidth ) width = maxwidth;
-    if ( height > maxheight ) height = maxheight;
+    wxSize best(width, height);
 
-    return wxSize( width, height );
+    // NOTE: This size should be cached, but first we need to add calls to
+    // InvalidateBestSize everywhere that could change the results of this
+    // calculation.
+    // CacheBestSize(size);
+
+    return best;
 }
 
 void wxGrid::Fit()
@@ -9816,7 +10254,6 @@ void wxGrid::Fit()
     AutoSize();
 }
 
-
 wxPen& wxGrid::GetDividerPen() const
 {
     return wxNullPen;
@@ -9838,7 +10275,7 @@ void wxGrid::SetCellValue( int row, int col, const wxString& s )
             rect.x = 0;
             rect.width = m_gridWin->GetClientSize().GetWidth();
             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
-            m_gridWin->Refresh( FALSE, &rect );
+            m_gridWin->Refresh( false, &rect );
         }
 
         if ( m_currentCellCoords.GetRow() == row &&
@@ -9855,9 +10292,9 @@ void wxGrid::SetCellValue( int row, int col, const wxString& s )
 }
 
 
-//
-// ------ Block, row and col selection
-//
+// ----------------------------------------------------------------------------
+// block, row and col selection
+// ----------------------------------------------------------------------------
 
 void wxGrid::SelectRow( int row, bool addToSelected )
 {
@@ -9865,20 +10302,18 @@ void wxGrid::SelectRow( int row, bool addToSelected )
         ClearSelection();
 
     if ( m_selection )
-        m_selection->SelectRow( row, FALSE, addToSelected );
+        m_selection->SelectRow( row, false, addToSelected );
 }
 
-
 void wxGrid::SelectCol( int col, bool addToSelected )
 {
     if ( IsSelection() && !addToSelected )
         ClearSelection();
 
     if ( m_selection )
-        m_selection->SelectCol( col, FALSE, addToSelected );
+        m_selection->SelectCol( col, false, addToSelected );
 }
 
-
 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
                           bool addToSelected )
 {
@@ -9887,10 +10322,9 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
 
     if ( m_selection )
         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
-                                  FALSE, addToSelected );
+                                  false, addToSelected );
 }
 
-
 void wxGrid::SelectAll()
 {
     if ( m_numRows > 0 && m_numCols > 0 )
@@ -9900,9 +10334,9 @@ void wxGrid::SelectAll()
     }
 }
 
-//
-// ------ Cell, row and col deselection
-//
+// ----------------------------------------------------------------------------
+// cell, row and col deselection
+// ----------------------------------------------------------------------------
 
 void wxGrid::DeselectRow( int row )
 {
@@ -9970,31 +10404,59 @@ bool wxGrid::IsInSelection( int row, int col ) const
 
 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
 {
-    if (!m_selection) { wxGridCellCoordsArray a; return a; }
+    if (!m_selection)
+    {
+        wxGridCellCoordsArray a;
+        return a;
+    }
+
     return m_selection->m_cellSelection;
 }
+
 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
 {
-    if (!m_selection) { wxGridCellCoordsArray a; return a; }
+    if (!m_selection)
+    {
+        wxGridCellCoordsArray a;
+        return a;
+    }
+
     return m_selection->m_blockSelectionTopLeft;
 }
+
 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
 {
-    if (!m_selection) { wxGridCellCoordsArray a; return a; }
+    if (!m_selection)
+    {
+        wxGridCellCoordsArray a;
+        return a;
+    }
+
     return m_selection->m_blockSelectionBottomRight;
 }
+
 wxArrayInt wxGrid::GetSelectedRows() const
 {
-    if (!m_selection) { wxArrayInt a; return a; }
+    if (!m_selection)
+    {
+        wxArrayInt a;
+        return a;
+    }
+
     return m_selection->m_rowSelection;
 }
+
 wxArrayInt wxGrid::GetSelectedCols() const
 {
-    if (!m_selection) { wxArrayInt a; return a; }
+    if (!m_selection)
+    {
+        wxArrayInt a;
+        return a;
+    }
+
     return m_selection->m_colSelection;
 }
 
-
 void wxGrid::ClearSelection()
 {
     m_selectingTopLeft = wxGridNoCellCoords;
@@ -10020,7 +10482,7 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
     }
     else
     {
-        rect = wxRect( 0, 0, 0, 0 );
+        rect = wxRect(0, 0, 0, 0);
     }
 
     cellRect = CellToRect( bottomRight );
@@ -10050,7 +10512,7 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
         left = right;
         right = i;
         i = leftCol;
-        leftCol=rightCol;
+        leftCol = rightCol;
         rightCol = i;
     }
 
@@ -10064,12 +10526,11 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
         bottomRow = i;
     }
 
-
     for ( j = topRow; j <= bottomRow; j++ )
     {
         for ( i = leftCol; i <= rightCol; i++ )
         {
-            if ((j==topRow) || (j==bottomRow) || (i==leftCol) || (i==rightCol))
+            if ((j == topRow) || (j == bottomRow) || (i == leftCol) || (i == rightCol))
             {
                 cellRect = CellToRect( j, i );
 
@@ -10082,7 +10543,10 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
                 if (cellRect.y + cellRect.height > bottom)
                     bottom = cellRect.y + cellRect.height;
             }
-            else i = rightCol; // jump over inner cells.
+            else
+            {
+                i = rightCol; // jump over inner cells.
+            }
         }
     }
 
@@ -10095,7 +10559,7 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
     m_gridWin->GetClientSize( &cw, &ch );
 
     if (right < 0 || bottom < 0 || left > cw || top > ch)
-        return wxRect( 0, 0, 0, 0);
+        return wxRect(0,0,0,0);
 
     rect.SetLeft( wxMax(0, left) );
     rect.SetTop( wxMax(0, top) );
@@ -10105,9 +10569,9 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
     return rect;
 }
 
-//
-// ------ Grid event classes
-//
+// ----------------------------------------------------------------------------
+// grid event classes
+// ----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )